diff --git a/components/schemas.yaml b/components/schemas.yaml
new file mode 100644
index 0000000..b915f8e
--- /dev/null
+++ b/components/schemas.yaml
@@ -0,0 +1,1339 @@
+components:
+  schemas:
+    pagination:
+      type: object
+      required:
+        - skip
+        - top
+        - totalCount
+        - data
+      additionalProperties: true
+      properties:
+        skip:
+          type: integer
+        top:
+          type: integer
+        totalCount:
+          type: integer
+        nextLink:
+          type: string
+    # error
+    error:
+      type: object
+      description: Schema for error, BCF REST API. This is defined in the Foundation API and represents the body format of any error responses.
+      required:
+        - message
+      additionalProperties: true
+      properties:
+        message:
+          type: string
+    # project schemas
+    viewpoint_authorization:
+      type: object
+      additionalProperties: true
+      properties:
+        viewpoint_actions:
+          $ref: "#/components/schemas/viewpoint_actions"
+
+    project_authorization:
+      type: object
+      additionalProperties: true
+      properties:
+        project_actions:
+          $ref: "#/components/schemas/project_actions"
+
+    comment_authorization:
+      type: object
+      additionalProperties: true
+      properties:
+        comment_actions:
+          $ref: "#/components/schemas/comment_actions"
+
+    topic_authorization:
+      type: object
+      additionalProperties: true
+      properties:
+        topic_actions:
+          $ref: "#/components/schemas/topic_actions"
+        topic_status:
+          type: array
+          nullable: true
+          items:
+            type: string
+
+    extensions_GET:
+      type: object
+      required:
+        - topic_type
+        - topic_status
+        - topic_label
+        - priority
+        - users
+        - stage
+      additionalProperties: true
+      properties:
+        topic_type:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_GET"
+        topic_status:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/topic_status_extension_item_GET"
+        topic_label:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_GET"
+        priority:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_GET"
+        users:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/user_extension_item_GET"
+        stage:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_GET"
+        project_actions:
+          $ref: "#/components/schemas/project_actions"
+        topic_actions:
+          $ref: "#/components/schemas/topic_actions"
+        comment_actions:
+          $ref: "#/components/schemas/comment_actions"
+        relation_types:
+          type: array
+          nullable: true
+          items:
+            type: string
+            enum: [relates, parent-child]
+        custom_fields:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/project_custom_field_extension"
+    extension_item_GET:
+      type: object
+      required:
+        - id
+        - name
+        - readonly
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        readonly:
+          type: boolean
+    topic_status_extension_item_GET:
+      type: object
+      required:
+        - id
+        - name
+        - status_type
+        - readonly
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        status_type:
+          type: string
+          enum: [open, closed]
+        readonly:
+          type: boolean
+    user_extension_item_GET:
+      type: object
+      required:
+        - id
+        - name
+        - email
+        - readonly
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        email:
+          type: string
+        readonly:
+          type: boolean
+    extension_item_SET:
+      type: object
+      required:
+        - id
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+    project_GET:
+      type: object
+      description: Schema for single project GET, BCF REST API.
+      required:
+        - project_id
+        - name
+      additionalProperties: true
+      properties:
+        project_id:
+          type: string
+        name:
+          type: string
+        authorization:
+          $ref: "#/components/schemas/project_authorization"
+    project_PUT:
+      type: object
+      description: Schema for project PUT, BCF REST API.
+      required:
+        - name
+      additionalProperties: true
+      properties:
+        name:
+          type: string
+    # actions schemas
+    project_actions:
+      type: array
+      items:
+        type: string
+        enum:
+          - update
+          - createTopic
+          - createDocument
+    topic_actions:
+      type: array
+      items:
+        type: string
+        enum:
+          - update
+          - updateRelatedTopics
+          - updateDocumentReferences
+          - updateFiles
+          - createComment
+          - createViewpoint
+          - delete
+    comment_actions:
+      type: array
+      items:
+        type: string
+        enum:
+          - update
+          - delete
+    viewpoint_actions:
+      type: array
+      items:
+        type: string # Missing in https://github.com/buildingSMART/BCF-API/blob/release_3_0/Schemas_draft-03/Collaboration/Action/viewpoint_actions.json?
+        enum:
+          - delete
+    event_action:
+      type: object
+      nullable: true
+      required:
+        - type
+      additionalProperties: true
+      properties:
+        type:
+          type: string
+        value:
+          $ref: "#/components/schemas/event_action_value"
+    event_action_value:
+      type: object
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+        displayValue:
+          type: string
+    # comment schemas
+    comment_GET:
+      type: object
+      required:
+        - comment_guid
+        - date
+        - author
+        - comment
+        - topic_guid
+      additionalProperties: true
+      properties:
+        comment_guid:
+          type: string
+        date:
+          type: string
+          format: date-time
+        author:
+          $ref: "#/components/schemas/user_GET"
+        comment:
+          type: string
+        topic_guid:
+          type: string
+        viewpoint_guid:
+          type: string
+          nullable: true
+        reply_to_comment_guid:
+          type: string
+          nullable: true
+        modified_date:
+          type: string
+          format: date-time
+          nullable: true
+        modified_author:
+          $ref: "#/components/schemas/user_GET"
+        authorization:
+          $ref: "#/components/schemas/comment_authorization"
+    comment_POST:
+      type: object
+      required:
+        - comment
+      additionalProperties: true
+      properties:
+        comment:
+          type: string
+        viewpoint_guid:
+          type: string
+          nullable: true
+        reply_to_comment_guid:
+          type: string
+          nullable: true
+    # comment_PUT seems to be the same as comment_POST?
+    comment_PUT:
+      type: object
+      required:
+        - comment
+      additionalProperties: true
+      properties:
+        comment:
+          type: string
+        viewpoint_guid:
+          type: string
+          nullable: true
+        # Not part of 3_0?
+        # reply_to_comment_guid:
+        #   type: string
+        #   nullable: true
+    # document schemas
+    document_GET:
+      type: object
+      required:
+        - document_guid
+        - filename
+      additionalProperties: true
+      properties:
+        document_guid:
+          type: string
+        filename:
+          type: string
+    # document references schemas
+    document_reference_GET:
+      description: Schema for a single document reference GET, BCF REST API.
+      type: object
+      required:
+        - guid
+      additionalProperties: true
+      properties:
+        guid:
+          type: string
+        document_guid:
+          type: string
+          nullable: true
+        url:
+          type: string
+          nullable: true
+        description:
+          type: string
+          nullable: true
+    document_reference_POST:
+      type: object
+      additionalProperties: true
+      properties:
+        # should be document_reference_guid ?
+        document_reference_guid:
+          type: string
+          nullable: true
+        document_guid:
+          type: string
+          nullable: true
+        url:
+          type: string
+          nullable: true
+        description:
+          type: string
+          nullable: true
+    document_reference_PUT:
+      type: object
+      additionalProperties: true
+      properties:
+        document_guid:
+          type: string
+          nullable: true
+        url:
+          type: string
+          nullable: true
+        description:
+          type: string
+          nullable: true
+    # events schemas
+    comment_event_GET:
+      type: object
+      required:
+        - comment_guid
+        - topic_guid
+        - date
+        - author
+      additionalProperties: true
+      properties:
+        comment_guid:
+          type: string
+        topic_guid:
+          type: string
+        date:
+          type: string
+          format: date-time
+        author:
+          $ref: "#/components/schemas/user_GET"
+        actions:
+          type: array
+          minItems: 1
+          items:
+            $ref: "#/components/schemas/event_action"
+    topic_event_GET:
+      type: object
+      required:
+        - topic_guid
+        - date
+        - author
+      additionalProperties: true
+      properties:
+        topic_guid:
+          type: string
+        date:
+          type: string
+          format: date-time
+        author:
+          $ref: "#/components/schemas/user_GET"
+        actions:
+          type: array
+          minItems: 1
+          items:
+            $ref: "#/components/schemas/event_action"
+    # file schemas
+    file_GET:
+      description: Schema for a single file GET, BCF REST API.
+      type: object
+      additionalProperties: true
+      properties:
+        ifc_project:
+          type: string
+          nullable: true
+        ifc_spatial_structure_element:
+          type: string
+          nullable: true
+        filename:
+          type: string
+          nullable: true
+        date:
+          type: string
+          format: date-time
+          nullable: true
+        reference:
+          type: string
+          nullable: true
+        id:
+          type: string
+          nullable: true
+    file_PUT:
+      type: object
+      additionalProperties: true
+      properties:
+        ifc_project:
+          type: string
+          nullable: true
+        ifc_spatial_structure_element:
+          type: string
+          nullable: true
+        filename:
+          type: string
+          nullable: true
+        date:
+          type: string
+          format: date-time
+          nullable: true
+        reference:
+          type: string
+          nullable: true
+    project_file_display_information:
+      type: object
+      description: Schema for the display information of a project file, BCF REST API.
+      required:
+        - field_display_name
+        - field_value
+      additionalProperties: true
+      properties:
+        field_display_name:
+          type: string
+        field_value:
+          type: string
+    project_file_information:
+      type: object
+      description: Schema for a single project file information, BCF REST API.
+      additionalProperties: true
+      properties:
+        display_information:
+          type: array
+          default: []
+          items:
+            $ref: "#/components/schemas/project_file_display_information"
+        file:
+          $ref: "#/components/schemas/file_GET"
+    project_files_information_GET:
+      type: array
+      description: Schema for the listing the response of the GET project files information service
+      items:
+        $ref: "#/components/schemas/project_file_information"
+    # related topic schemas
+    related_topic_GET:
+      description: Schema for single related topic GET, BCF REST API.
+      type: object
+      required:
+        - related_topic_guid
+        - relation_type
+      additionalProperties: true
+      properties:
+        related_topic_guid:
+          type: string
+        relation_type:
+          type: string
+          enum: [relates, parent, child]
+    related_topic_PUT:
+      description: Schema for related topic PUT, BCF REST API.
+      type: object
+      required:
+        - related_topic_guid
+        - relation_type
+      additionalProperties: true
+      properties:
+        related_topic_guid:
+          type: string
+        relation_type:
+          type: string
+          enum: [relates, parent, child]
+    # topic schemas
+    topic_GET:
+      type: object
+      required:
+        - topic_guid
+        - title
+        - server_assigned_id
+        - creation_date
+        - creation_author
+      additionalProperties: true
+      properties:
+        topic_guid:
+          type: string
+        server_assigend_id:
+          type: string
+        topic_type:
+          $ref: "#/components/schemas/extension_item_GET"
+        topic_status:
+          $ref: "#/components/schemas/extension_item_GET"
+        reference_links:
+          type: array
+          nullable: true
+          items:
+            type: string
+        title:
+          type: string
+        priority:
+          $ref: "#/components/schemas/extension_item_GET"
+        index:
+          type: integer
+          nullable: true
+        labels:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_GET"
+        creation_date:
+          type: string
+          format: date-time
+        creation_author:
+          $ref: "#/components/schemas/user_GET"
+        # shouldnt modified_date also be nullable?
+        modified_date:
+          type: string
+          format: date-time
+        modified_author:
+          $ref: "#/components/schemas/user_GET"
+        assigned_to:
+          $ref: "#/components/schemas/user_GET"
+        stage:
+          $ref: "#/components/schemas/extension_item_GET"
+        description:
+          type: string
+          nullable: true
+        due_date:
+          type: string
+          format: date
+          nullable: true
+        related_topics:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/related_topic_GET"
+        authorization:
+          $ref: "#/components/schemas/topic_authorization"
+        default_viewpoint_guid:
+          type: string
+          nullable: true
+        custom_fields:
+          $ref: "#/components/schemas/topic_custom_fields"
+    topic_POST:
+      type: object
+      required:
+        - title
+      additionalProperties: true
+      properties:
+        topic_guid:
+          type: string
+          nullable: true
+        topic_type:
+          $ref: "#/components/schemas/extension_item_SET"
+        topic_status:
+          $ref: "#/components/schemas/extension_item_SET"
+        reference_links:
+          type: array
+          nullable: true
+          items:
+            type: string
+        title:
+          type: string
+        priority:
+          $ref: "#/components/schemas/extension_item_SET"
+        index:
+          type: integer
+          nullable: true
+        labels:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_SET"
+        assigned_to:
+          $ref: "#/components/schemas/extension_item_SET"
+        stage:
+          $ref: "#/components/schemas/extension_item_SET"
+        description:
+          type: string
+          nullable: true
+        due_date:
+          type: string
+          format: date
+          nullable: true
+        default_viewpoint_guid:
+          type: string
+          nullable: true
+        custom_fields:
+          $ref: "#/components/schemas/topic_custom_fields"
+    topic_PUT:
+      type: object
+      required:
+        - title
+      additionalProperties: true
+      properties:
+        topic_type:
+          $ref: "#/components/schemas/extension_item_SET"
+        topic_status:
+          $ref: "#/components/schemas/extension_item_SET"
+        reference_links:
+          type: array
+          nullable: true
+          items:
+            type: string
+        title:
+          type: string
+        priority:
+          $ref: "#/components/schemas/extension_item_SET"
+        index:
+          type: integer
+          nullable: true
+        labels:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/extension_item_SET"
+        assigned_to:
+          $ref: "#/components/schemas/extension_item_SET"
+        stage:
+          $ref: "#/components/schemas/extension_item_SET"
+        description:
+          type: string
+          nullable: true
+        due_date:
+          type: string
+          format: date
+          nullable: true
+        default_viewpoint_guid:
+          type: string
+          nullable: true
+        custom_fields:
+          $ref: "#/components/schemas/topic_custom_fields"
+    # topic custom fields schemas
+    topic_custom_fields:
+      type: array
+      items:
+        $ref: "#/components/schemas/topic_custom_field"
+    topic_custom_field:
+      type: object
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+          nullable: true
+          description: "Refers to the id of the custom field in the project extensions."
+        value:
+          type: string
+          nullable: true
+    # viewpoint schemas
+    bitmap_GET:
+      type: object
+      additionalProperties: true
+      properties:
+        bitmap_guid:
+          type: string
+        bitmap_type:
+          type: string
+          enum:
+            - jpg
+            - png
+        location:
+          $ref: "#/components/schemas/location"
+        normal:
+          $ref: "#/components/schemas/direction"
+        up:
+          $ref: "#/components/schemas/direction"
+        height:
+          type: number
+    bitmap_POST:
+      type: object
+      additionalProperties: true
+      properties:
+        bitmap_type:
+          type: string
+          enum:
+            - jpg
+            - png
+        bitmap_data:
+          type: string
+          format: base64
+        location:
+          $ref: "#/components/schemas/location"
+        normal:
+          $ref: "#/components/schemas/direction"
+        up:
+          $ref: "#/components/schemas/direction"
+        height:
+          type: number
+    clipping_plane:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        location:
+          $ref: "#/components/schemas/location"
+        direction:
+          $ref: "#/components/schemas/direction"
+    coloring:
+      type: object
+      additionalProperties: true
+      properties:
+        color:
+          type: string
+        components:
+          $ref: "#/components/schemas/component_list"
+    coloring_GET:
+      description: Schema for coloring GET, BCF REST API.
+      type: object
+      additionalProperties: true
+      properties:
+        coloring:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/coloring"
+    component:
+      type: object
+      additionalProperties: true
+      properties:
+        ifc_guid:
+          type: string
+          nullable: true
+        originating_system:
+          type: string
+          nullable: true
+        authoring_tool_id:
+          type: string
+          nullable: true
+    component_list:
+      type: array
+      nullable: true
+      items:
+        $ref: "#/components/schemas/component"
+    components:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        selection:
+          $ref: "#/components/schemas/component_list"
+        coloring:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/coloring"
+        visibility:
+          $ref: "#/components/schemas/visibility"
+        translucency:
+          $ref: "#/components/schemas/translucency"
+    direction:
+      type: object
+      additionalProperties: true
+      properties:
+        x:
+          type: number
+        y:
+          type: number
+        z:
+          type: number
+    line:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        start_point:
+          $ref: "#/components/schemas/point"
+        end_point:
+          $ref: "#/components/schemas/point"
+        color:
+          type: string
+    location:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        x:
+          type: number
+        y:
+          type: number
+        z:
+          type: number
+    orthogonal_camera:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        camera_view_point:
+          $ref: "#/components/schemas/point"
+        camera_direction:
+          $ref: "#/components/schemas/direction"
+        camera_up_vector:
+          $ref: "#/components/schemas/direction"
+        view_to_world_scale:
+          type: number
+        aspect_ratio:
+          type: number
+    perspective_camera:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        camera_view_point:
+          $ref: "#/components/schemas/point"
+        camera_direction:
+          $ref: "#/components/schemas/direction"
+        camera_up_vector:
+          $ref: "#/components/schemas/direction"
+        field_of_view:
+          type: number
+        aspect_ratio:
+          type: number
+    point:
+      type: object
+      additionalProperties: true
+      properties:
+        x:
+          type: number
+        y:
+          type: number
+        z:
+          type: number
+    selection_GET:
+      description: Schema for selection GET, BCF REST API.
+      type: object
+      additionalProperties: true
+      properties:
+        selection:
+          $ref: "#/components/schemas/component_list"
+    snapshot_GET:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        snapshot_type:
+          type: string
+          enum:
+            - jpg
+            - png
+    snapshot_POST:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        snapshot_type:
+          type: string
+          enum:
+            - jpg
+            - png
+        snapshot_data:
+          type: string
+          format: base64
+    view_setup_hints:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        spaces_visible:
+          type: boolean
+          default: false
+        space_boundaries_visible:
+          type: boolean
+          default: false
+        openings_visible:
+          type: boolean
+          default: false
+    translucency_setup_hints:
+      type: object
+      nullable: true
+      additionalProperties: true
+      properties:
+        spaces_translucent:
+          type: boolean
+          default: true
+        space_boundaries_translucent:
+          type: boolean
+          default: true
+        openings_translucent:
+          type: boolean
+          default: true
+    translucency_GET:
+      type: object
+      additionalProperties: true
+      properties:
+        translucency:
+          $ref: "#/components/schemas/translucency"
+    viewpoint_GET:
+      type: object
+      required:
+        - viewpoint_guid
+        - creation_date
+        - creation_author
+      additionalProperties: true
+      properties:
+        index:
+          type: integer
+          nullable: true
+        viewpoint_guid:
+          type: string
+        orthogonal_camera:
+          $ref: "#/components/schemas/orthogonal_camera"
+        perspective_camera:
+          $ref: "#/components/schemas/perspective_camera"
+        lines:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/line"
+        markers:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/marker"
+        clipping_planes:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/clipping_plane"
+        bitmaps:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/bitmap_GET"
+        snapshot:
+          $ref: "#/components/schemas/snapshot_GET"
+        creation_date:
+          type: string
+          format: date-time
+        creation_author:
+          $ref: "#/components/schemas/user_GET"
+        authorization:
+          $ref: "#/components/schemas/viewpoint_authorization"
+        topic_file_ids:
+          type: array
+          nullable: true
+          items:
+            type: string
+    viewpoint_POST:
+      type: object
+      additionalProperties: true
+      properties:
+        viewpoint_guid:
+          type: string
+          nullable: true
+        index:
+          type: integer
+          nullable: true
+        orthogonal_camera:
+          $ref: "#/components/schemas/orthogonal_camera"
+        perspective_camera:
+          $ref: "#/components/schemas/perspective_camera"
+        lines:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/line"
+        markers:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/marker"
+        clipping_planes:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/clipping_plane"
+        bitmaps:
+          type: array
+          nullable: true
+          items:
+            $ref: "#/components/schemas/bitmap_POST"
+        snapshot:
+          $ref: "#/components/schemas/snapshot_POST"
+        # Why cant we get components?
+        components:
+          $ref: "#/components/schemas/components"
+        topic_file_ids:
+          type: array
+          nullable: true
+          items:
+            type: string
+    visibility:
+      type: object
+      additionalProperties: true
+      properties:
+        default_visibility:
+          type: boolean
+          default: false
+        exceptions:
+          $ref: "#/components/schemas/component_list"
+        view_setup_hints:
+          $ref: "#/components/schemas/view_setup_hints"
+    visibility_GET:
+      type: object
+      additionalProperties: true
+      properties:
+        visibility:
+          $ref: "#/components/schemas/visibility"
+    translucency:
+      type: object
+      additionalProperties: true
+      properties:
+        default_translucency:
+          type: boolean
+          default: false
+        exceptions:
+          $ref: "#/components/schemas/component_list"
+        view_setup_hints:
+          $ref: "#/components/schemas/translucency_setup_hints"
+    project_custom_field_extension:
+      type: object
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        type:
+          type: string
+          enum:
+            - integer
+            - decimal
+            - string
+            - boolean
+            - enum
+            - date
+            - date-time
+        readonly:
+          type: boolean
+        minArraySize:
+          type: integer
+        maxArraySize:
+          type: integer
+        defaultValue:
+          type: array
+          items:
+            type: string
+        enumValues:
+          type: array
+          items:
+            $ref: "#/components/schemas/project_custom_field_enum_value"
+    project_custom_field_enum_value:
+      type: object
+      additionalProperties: true
+      properties:
+        value:
+          type: string
+        displayValue:
+          type: string
+        readonly:
+          type: boolean
+    marker:
+      type: object
+      additionalProperties: true
+      properties:
+        location:
+          $ref: "#/components/schemas/point"
+    user_GET:
+      type: object
+      required:
+        - id
+      additionalProperties: true
+      properties:
+        id:
+          type: string
+          description: "This is a string that uniquely identifies the user in the server, often it is an email address or an internal id"
+        name:
+          type: string
+          description: "Must be provided if email is null"
+        email:
+          type: string
+          description: "Must be provided if name is null"
+
+    topics_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/topic_GET"
+
+    projects_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/project_GET"
+
+    project_files_informations_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/project_files_information_GET"
+
+    files_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/file_GET"
+
+    comments_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/comment_GET"
+
+    viewpoints_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/viewpoint_GET"
+
+    related_topics_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/related_topic_GET"
+
+    document_references_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/document_reference_GET"
+
+    documents_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/document_GET"
+
+    topic_events_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/topic_event_GET"
+
+    comment_events_GET:
+      type: object
+      required:
+        - pagination
+        - data
+      additionalProperties: true
+      properties:
+        pagination:
+          $ref: "#/components/schemas/pagination"
+        data:
+          type: array
+          items:
+            $ref: "#/components/schemas/comment_event_GET"
+
+  parameters:
+    version:
+      in: path
+      name: version
+      schema:
+        type: string
+        default: "3.0"
+      required: true
+    project_id:
+      in: path
+      name: project_id
+      schema:
+        type: string
+      required: true
+    topic_guid:
+      in: path
+      name: topic_guid
+      schema:
+        type: string
+      required: true
+    comment_guid:
+      in: path
+      name: comment_guid
+      schema:
+        type: string
+      required: true
+    viewpoint_guid:
+      in: path
+      name: viewpoint_guid
+      schema:
+        type: string
+      required: true
+    document_reference_guid:
+      in: path
+      name: document_reference_guid
+      schema:
+        type: string
+      required: true
+    bitmap_guid:
+      in: path
+      name: bitmap_guid
+      schema:
+        type: string
+      required: true
+    document_guid:
+      in: path
+      name: document_guid
+      schema:
+        type: string
+      required: true
+    top:
+      in: query
+      name: $top
+      schema:
+        type: string
+    skip:
+      in: query
+      name: $skip
+      schema:
+        type: string
diff --git a/swagger.yaml b/swagger.yaml
index 9b72c2b..f1d3435 100644
--- a/swagger.yaml
+++ b/swagger.yaml
@@ -1743,1341 +1743,4 @@ paths:
                     ],
                 }
 components:
-  schemas:
-    pagination:
-      type: object
-      required:
-        - skip
-        - top
-        - totalCount
-        - data
-      additionalProperties: true
-      properties:
-        skip:
-          type: integer
-        top:
-          type: integer
-        totalCount:
-          type: integer
-        nextLink:
-          type: string
-    # error
-    error:
-      type: object
-      description: Schema for error, BCF REST API. This is defined in the Foundation API and represents the body format of any error responses.
-      required:
-        - message
-      additionalProperties: true
-      properties:
-        message:
-          type: string
-    # project schemas
-    viewpoint_authorization:
-      type: object
-      additionalProperties: true
-      properties:
-        viewpoint_actions:
-          $ref: "#/components/schemas/viewpoint_actions"
-
-    project_authorization:
-      type: object
-      additionalProperties: true
-      properties:
-        project_actions:
-          $ref: "#/components/schemas/project_actions"
-
-    comment_authorization:
-      type: object
-      additionalProperties: true
-      properties:
-        comment_actions:
-          $ref: "#/components/schemas/comment_actions"
-
-    topic_authorization:
-      type: object
-      additionalProperties: true
-      properties:
-        topic_actions:
-          $ref: "#/components/schemas/topic_actions"
-        topic_status:
-          type: array
-          nullable: true
-          items:
-            type: string
-
-    extensions_GET:
-      type: object
-      required:
-        - topic_type
-        - topic_status
-        - topic_label
-        - priority
-        - users
-        - stage
-      additionalProperties: true
-      properties:
-        topic_type:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_GET"
-        topic_status:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/topic_status_extension_item_GET"
-        topic_label:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_GET"
-        priority:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_GET"
-        users:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/user_extension_item_GET"
-        stage:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_GET"
-        project_actions:
-          $ref: "#/components/schemas/project_actions"
-        topic_actions:
-          $ref: "#/components/schemas/topic_actions"
-        comment_actions:
-          $ref: "#/components/schemas/comment_actions"
-        relation_types:
-          type: array
-          nullable: true
-          items:
-            type: string
-            enum: [relates, parent-child]
-        custom_fields:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/project_custom_field_extension"
-    extension_item_GET:
-      type: object
-      required:
-        - id
-        - name
-        - readonly
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-        name:
-          type: string
-        readonly:
-          type: boolean
-    topic_status_extension_item_GET:
-      type: object
-      required:
-        - id
-        - name
-        - status_type
-        - readonly
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-        name:
-          type: string
-        status_type:
-          type: string
-          enum: [open, closed]
-        readonly:
-          type: boolean
-    user_extension_item_GET:
-      type: object
-      required:
-        - id
-        - name
-        - email
-        - readonly
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-        name:
-          type: string
-        email:
-          type: string
-        readonly:
-          type: boolean
-    extension_item_SET:
-      type: object
-      required:
-        - id
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-    project_GET:
-      type: object
-      description: Schema for single project GET, BCF REST API.
-      required:
-        - project_id
-        - name
-      additionalProperties: true
-      properties:
-        project_id:
-          type: string
-        name:
-          type: string
-        authorization:
-          $ref: "#/components/schemas/project_authorization"
-    project_PUT:
-      type: object
-      description: Schema for project PUT, BCF REST API.
-      required:
-        - name
-      additionalProperties: true
-      properties:
-        name:
-          type: string
-    # actions schemas
-    project_actions:
-      type: array
-      items:
-        type: string
-        enum:
-          - update
-          - createTopic
-          - createDocument
-    topic_actions:
-      type: array
-      items:
-        type: string
-        enum:
-          - update
-          - updateRelatedTopics
-          - updateDocumentReferences
-          - updateFiles
-          - createComment
-          - createViewpoint
-          - delete
-    comment_actions:
-      type: array
-      items:
-        type: string
-        enum:
-          - update
-          - delete
-    viewpoint_actions:
-      type: array
-      items:
-        type: string # Missing in https://github.com/buildingSMART/BCF-API/blob/release_3_0/Schemas_draft-03/Collaboration/Action/viewpoint_actions.json?
-        enum:
-          - delete
-    event_action:
-      type: object
-      nullable: true
-      required:
-        - type
-      additionalProperties: true
-      properties:
-        type:
-          type: string
-        value:
-          $ref: "#/components/schemas/event_action_value"
-    event_action_value:
-      type: object
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-        displayValue:
-          type: string
-    # comment schemas
-    comment_GET:
-      type: object
-      required:
-        - comment_guid
-        - date
-        - author
-        - comment
-        - topic_guid
-      additionalProperties: true
-      properties:
-        comment_guid:
-          type: string
-        date:
-          type: string
-          format: date-time
-        author:
-          $ref: "#/components/schemas/user_GET"
-        comment:
-          type: string
-        topic_guid:
-          type: string
-        viewpoint_guid:
-          type: string
-          nullable: true
-        reply_to_comment_guid:
-          type: string
-          nullable: true
-        modified_date:
-          type: string
-          format: date-time
-          nullable: true
-        modified_author:
-          $ref: "#/components/schemas/user_GET"
-        authorization:
-          $ref: "#/components/schemas/comment_authorization"
-    comment_POST:
-      type: object
-      required:
-        - comment
-      additionalProperties: true
-      properties:
-        comment:
-          type: string
-        viewpoint_guid:
-          type: string
-          nullable: true
-        reply_to_comment_guid:
-          type: string
-          nullable: true
-    # comment_PUT seems to be the same as comment_POST?
-    comment_PUT:
-      type: object
-      required:
-        - comment
-      additionalProperties: true
-      properties:
-        comment:
-          type: string
-        viewpoint_guid:
-          type: string
-          nullable: true
-        # Not part of 3_0?
-        # reply_to_comment_guid:
-        #   type: string
-        #   nullable: true
-    # document schemas
-    document_GET:
-      type: object
-      required:
-        - document_guid
-        - filename
-      additionalProperties: true
-      properties:
-        document_guid:
-          type: string
-        filename:
-          type: string
-    # document references schemas
-    document_reference_GET:
-      description: Schema for a single document reference GET, BCF REST API.
-      type: object
-      required:
-        - guid
-      additionalProperties: true
-      properties:
-        guid:
-          type: string
-        document_guid:
-          type: string
-          nullable: true
-        url:
-          type: string
-          nullable: true
-        description:
-          type: string
-          nullable: true
-    document_reference_POST:
-      type: object
-      additionalProperties: true
-      properties:
-        # should be document_reference_guid ?
-        document_reference_guid:
-          type: string
-          nullable: true
-        document_guid:
-          type: string
-          nullable: true
-        url:
-          type: string
-          nullable: true
-        description:
-          type: string
-          nullable: true
-    document_reference_PUT:
-      type: object
-      additionalProperties: true
-      properties:
-        document_guid:
-          type: string
-          nullable: true
-        url:
-          type: string
-          nullable: true
-        description:
-          type: string
-          nullable: true
-    # events schemas
-    comment_event_GET:
-      type: object
-      required:
-        - comment_guid
-        - topic_guid
-        - date
-        - author
-      additionalProperties: true
-      properties:
-        comment_guid:
-          type: string
-        topic_guid:
-          type: string
-        date:
-          type: string
-          format: date-time
-        author:
-          $ref: "#/components/schemas/user_GET"
-        actions:
-          type: array
-          minItems: 1
-          items:
-            $ref: "#/components/schemas/event_action"
-    topic_event_GET:
-      type: object
-      required:
-        - topic_guid
-        - date
-        - author
-      additionalProperties: true
-      properties:
-        topic_guid:
-          type: string
-        date:
-          type: string
-          format: date-time
-        author:
-          $ref: "#/components/schemas/user_GET"
-        actions:
-          type: array
-          minItems: 1
-          items:
-            $ref: "#/components/schemas/event_action"
-    # file schemas
-    file_GET:
-      description: Schema for a single file GET, BCF REST API.
-      type: object
-      additionalProperties: true
-      properties:
-        ifc_project:
-          type: string
-          nullable: true
-        ifc_spatial_structure_element:
-          type: string
-          nullable: true
-        filename:
-          type: string
-          nullable: true
-        date:
-          type: string
-          format: date-time
-          nullable: true
-        reference:
-          type: string
-          nullable: true
-        id:
-          type: string
-          nullable: true
-    file_PUT:
-      type: object
-      additionalProperties: true
-      properties:
-        ifc_project:
-          type: string
-          nullable: true
-        ifc_spatial_structure_element:
-          type: string
-          nullable: true
-        filename:
-          type: string
-          nullable: true
-        date:
-          type: string
-          format: date-time
-          nullable: true
-        reference:
-          type: string
-          nullable: true
-    project_file_display_information:
-      type: object
-      description: Schema for the display information of a project file, BCF REST API.
-      required:
-        - field_display_name
-        - field_value
-      additionalProperties: true
-      properties:
-        field_display_name:
-          type: string
-        field_value:
-          type: string
-    project_file_information:
-      type: object
-      description: Schema for a single project file information, BCF REST API.
-      additionalProperties: true
-      properties:
-        display_information:
-          type: array
-          default: []
-          items:
-            $ref: "#/components/schemas/project_file_display_information"
-        file:
-          $ref: "#/components/schemas/file_GET"
-    project_files_information_GET:
-      type: array
-      description: Schema for the listing the response of the GET project files information service
-      items:
-        $ref: "#/components/schemas/project_file_information"
-    # related topic schemas
-    related_topic_GET:
-      description: Schema for single related topic GET, BCF REST API.
-      type: object
-      required:
-        - related_topic_guid
-        - relation_type
-      additionalProperties: true
-      properties:
-        related_topic_guid:
-          type: string
-        relation_type:
-          type: string
-          enum: [relates, parent, child]
-    related_topic_PUT:
-      description: Schema for related topic PUT, BCF REST API.
-      type: object
-      required:
-        - related_topic_guid
-        - relation_type
-      additionalProperties: true
-      properties:
-        related_topic_guid:
-          type: string
-        relation_type:
-          type: string
-          enum: [relates, parent, child]
-    # topic schemas
-    topic_GET:
-      type: object
-      required:
-        - topic_guid
-        - title
-        - server_assigned_id
-        - creation_date
-        - creation_author
-      additionalProperties: true
-      properties:
-        topic_guid:
-          type: string
-        server_assigend_id:
-          type: string
-        topic_type:
-          $ref: "#/components/schemas/extension_item_GET"
-        topic_status:
-          $ref: "#/components/schemas/extension_item_GET"
-        reference_links:
-          type: array
-          nullable: true
-          items:
-            type: string
-        title:
-          type: string
-        priority:
-          $ref: "#/components/schemas/extension_item_GET"
-        index:
-          type: integer
-          nullable: true
-        labels:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_GET"
-        creation_date:
-          type: string
-          format: date-time
-        creation_author:
-          $ref: "#/components/schemas/user_GET"
-        # shouldnt modified_date also be nullable?
-        modified_date:
-          type: string
-          format: date-time
-        modified_author:
-          $ref: "#/components/schemas/user_GET"
-        assigned_to:
-          $ref: "#/components/schemas/user_GET"
-        stage:
-          $ref: "#/components/schemas/extension_item_GET"
-        description:
-          type: string
-          nullable: true
-        due_date:
-          type: string
-          format: date
-          nullable: true
-        related_topics:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/related_topic_GET"
-        authorization:
-          $ref: "#/components/schemas/topic_authorization"
-        default_viewpoint_guid:
-          type: string
-          nullable: true
-        custom_fields:
-          $ref: "#/components/schemas/topic_custom_fields"
-    topic_POST:
-      type: object
-      required:
-        - title
-      additionalProperties: true
-      properties:
-        topic_guid:
-          type: string
-          nullable: true
-        topic_type:
-          $ref: "#/components/schemas/extension_item_SET"
-        topic_status:
-          $ref: "#/components/schemas/extension_item_SET"
-        reference_links:
-          type: array
-          nullable: true
-          items:
-            type: string
-        title:
-          type: string
-        priority:
-          $ref: "#/components/schemas/extension_item_SET"
-        index:
-          type: integer
-          nullable: true
-        labels:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_SET"
-        assigned_to:
-          $ref: "#/components/schemas/extension_item_SET"
-        stage:
-          $ref: "#/components/schemas/extension_item_SET"
-        description:
-          type: string
-          nullable: true
-        due_date:
-          type: string
-          format: date
-          nullable: true
-        default_viewpoint_guid:
-          type: string
-          nullable: true
-        custom_fields:
-          $ref: "#/components/schemas/topic_custom_fields"
-    topic_PUT:
-      type: object
-      required:
-        - title
-      additionalProperties: true
-      properties:
-        topic_type:
-          $ref: "#/components/schemas/extension_item_SET"
-        topic_status:
-          $ref: "#/components/schemas/extension_item_SET"
-        reference_links:
-          type: array
-          nullable: true
-          items:
-            type: string
-        title:
-          type: string
-        priority:
-          $ref: "#/components/schemas/extension_item_SET"
-        index:
-          type: integer
-          nullable: true
-        labels:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/extension_item_SET"
-        assigned_to:
-          $ref: "#/components/schemas/extension_item_SET"
-        stage:
-          $ref: "#/components/schemas/extension_item_SET"
-        description:
-          type: string
-          nullable: true
-        due_date:
-          type: string
-          format: date
-          nullable: true
-        default_viewpoint_guid:
-          type: string
-          nullable: true
-        custom_fields:
-          $ref: "#/components/schemas/topic_custom_fields"
-    # topic custom fields schemas
-    topic_custom_fields:
-      type: array
-      items:
-        $ref: "#/components/schemas/topic_custom_field"
-    topic_custom_field:
-      type: object
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-          nullable: true
-          description: "Refers to the id of the custom field in the project extensions."
-        value:
-          type: string
-          nullable: true
-    # viewpoint schemas
-    bitmap_GET:
-      type: object
-      additionalProperties: true
-      properties:
-        bitmap_guid:
-          type: string
-        bitmap_type:
-          type: string
-          enum:
-            - jpg
-            - png
-        location:
-          $ref: "#/components/schemas/location"
-        normal:
-          $ref: "#/components/schemas/direction"
-        up:
-          $ref: "#/components/schemas/direction"
-        height:
-          type: number
-    bitmap_POST:
-      type: object
-      additionalProperties: true
-      properties:
-        bitmap_type:
-          type: string
-          enum:
-            - jpg
-            - png
-        bitmap_data:
-          type: string
-          format: base64
-        location:
-          $ref: "#/components/schemas/location"
-        normal:
-          $ref: "#/components/schemas/direction"
-        up:
-          $ref: "#/components/schemas/direction"
-        height:
-          type: number
-    clipping_plane:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        location:
-          $ref: "#/components/schemas/location"
-        direction:
-          $ref: "#/components/schemas/direction"
-    coloring:
-      type: object
-      additionalProperties: true
-      properties:
-        color:
-          type: string
-        components:
-          $ref: "#/components/schemas/component_list"
-    coloring_GET:
-      description: Schema for coloring GET, BCF REST API.
-      type: object
-      additionalProperties: true
-      properties:
-        coloring:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/coloring"
-    component:
-      type: object
-      additionalProperties: true
-      properties:
-        ifc_guid:
-          type: string
-          nullable: true
-        originating_system:
-          type: string
-          nullable: true
-        authoring_tool_id:
-          type: string
-          nullable: true
-    component_list:
-      type: array
-      nullable: true
-      items:
-        $ref: "#/components/schemas/component"
-    components:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        selection:
-          $ref: "#/components/schemas/component_list"
-        coloring:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/coloring"
-        visibility:
-          $ref: "#/components/schemas/visibility"
-        translucency:
-          $ref: "#/components/schemas/translucency"
-    direction:
-      type: object
-      additionalProperties: true
-      properties:
-        x:
-          type: number
-        y:
-          type: number
-        z:
-          type: number
-    line:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        start_point:
-          $ref: "#/components/schemas/point"
-        end_point:
-          $ref: "#/components/schemas/point"
-        color:
-          type: string
-    location:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        x:
-          type: number
-        y:
-          type: number
-        z:
-          type: number
-    orthogonal_camera:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        camera_view_point:
-          $ref: "#/components/schemas/point"
-        camera_direction:
-          $ref: "#/components/schemas/direction"
-        camera_up_vector:
-          $ref: "#/components/schemas/direction"
-        view_to_world_scale:
-          type: number
-        aspect_ratio:
-          type: number
-    perspective_camera:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        camera_view_point:
-          $ref: "#/components/schemas/point"
-        camera_direction:
-          $ref: "#/components/schemas/direction"
-        camera_up_vector:
-          $ref: "#/components/schemas/direction"
-        field_of_view:
-          type: number
-        aspect_ratio:
-          type: number
-    point:
-      type: object
-      additionalProperties: true
-      properties:
-        x:
-          type: number
-        y:
-          type: number
-        z:
-          type: number
-    selection_GET:
-      description: Schema for selection GET, BCF REST API.
-      type: object
-      additionalProperties: true
-      properties:
-        selection:
-          $ref: "#/components/schemas/component_list"
-    snapshot_GET:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        snapshot_type:
-          type: string
-          enum:
-            - jpg
-            - png
-    snapshot_POST:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        snapshot_type:
-          type: string
-          enum:
-            - jpg
-            - png
-        snapshot_data:
-          type: string
-          format: base64
-    view_setup_hints:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        spaces_visible:
-          type: boolean
-          default: false
-        space_boundaries_visible:
-          type: boolean
-          default: false
-        openings_visible:
-          type: boolean
-          default: false
-    translucency_setup_hints:
-      type: object
-      nullable: true
-      additionalProperties: true
-      properties:
-        spaces_translucent:
-          type: boolean
-          default: true
-        space_boundaries_translucent:
-          type: boolean
-          default: true
-        openings_translucent:
-          type: boolean
-          default: true
-    translucency_GET:
-      type: object
-      additionalProperties: true
-      properties:
-        translucency:
-          $ref: "#/components/schemas/translucency"
-    viewpoint_GET:
-      type: object
-      required:
-        - viewpoint_guid
-        - creation_date
-        - creation_author
-      additionalProperties: true
-      properties:
-        index:
-          type: integer
-          nullable: true
-        viewpoint_guid:
-          type: string
-        orthogonal_camera:
-          $ref: "#/components/schemas/orthogonal_camera"
-        perspective_camera:
-          $ref: "#/components/schemas/perspective_camera"
-        lines:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/line"
-        markers:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/marker"
-        clipping_planes:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/clipping_plane"
-        bitmaps:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/bitmap_GET"
-        snapshot:
-          $ref: "#/components/schemas/snapshot_GET"
-        creation_date:
-          type: string
-          format: date-time
-        creation_author:
-          $ref: "#/components/schemas/user_GET"
-        authorization:
-          $ref: "#/components/schemas/viewpoint_authorization"
-        topic_file_ids:
-          type: array
-          nullable: true
-          items:
-            type: string
-    viewpoint_POST:
-      type: object
-      additionalProperties: true
-      properties:
-        viewpoint_guid:
-          type: string
-          nullable: true
-        index:
-          type: integer
-          nullable: true
-        orthogonal_camera:
-          $ref: "#/components/schemas/orthogonal_camera"
-        perspective_camera:
-          $ref: "#/components/schemas/perspective_camera"
-        lines:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/line"
-        markers:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/marker"
-        clipping_planes:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/clipping_plane"
-        bitmaps:
-          type: array
-          nullable: true
-          items:
-            $ref: "#/components/schemas/bitmap_POST"
-        snapshot:
-          $ref: "#/components/schemas/snapshot_POST"
-        # Why cant we get components?
-        components:
-          $ref: "#/components/schemas/components"
-        topic_file_ids:
-          type: array
-          nullable: true
-          items:
-            type: string
-    visibility:
-      type: object
-      additionalProperties: true
-      properties:
-        default_visibility:
-          type: boolean
-          default: false
-        exceptions:
-          $ref: "#/components/schemas/component_list"
-        view_setup_hints:
-          $ref: "#/components/schemas/view_setup_hints"
-    visibility_GET:
-      type: object
-      additionalProperties: true
-      properties:
-        visibility:
-          $ref: "#/components/schemas/visibility"
-    translucency:
-      type: object
-      additionalProperties: true
-      properties:
-        default_translucency:
-          type: boolean
-          default: false
-        exceptions:
-          $ref: "#/components/schemas/component_list"
-        view_setup_hints:
-          $ref: "#/components/schemas/translucency_setup_hints"
-    project_custom_field_extension:
-      type: object
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-        name:
-          type: string
-        type:
-          type: string
-          enum:
-            - integer
-            - decimal
-            - string
-            - boolean
-            - enum
-            - date
-            - date-time
-        readonly:
-          type: boolean
-        minArraySize:
-          type: integer
-        maxArraySize:
-          type: integer
-        defaultValue:
-          type: array
-          items:
-            type: string
-        enumValues:
-          type: array
-          items:
-            $ref: "#/components/schemas/project_custom_field_enum_value"
-    project_custom_field_enum_value:
-      type: object
-      additionalProperties: true
-      properties:
-        value:
-          type: string
-        displayValue:
-          type: string
-        readonly:
-          type: boolean
-    marker:
-      type: object
-      additionalProperties: true
-      properties:
-        location:
-          $ref: "#/components/schemas/point"
-    user_GET:
-      type: object
-      required:
-        - id
-      additionalProperties: true
-      properties:
-        id:
-          type: string
-          description: "This is a string that uniquely identifies the user in the server, often it is an email address or an internal id"
-        name:
-          type: string
-          description: "Must be provided if email is null"
-        email:
-          type: string
-          description: "Must be provided if name is null"
-
-    topics_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/topic_GET"
-
-    projects_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/project_GET"
-
-    project_files_informations_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/project_files_information_GET"
-
-    files_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/file_GET"
-
-    comments_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/comment_GET"
-
-    viewpoints_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/viewpoint_GET"
-
-    related_topics_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/related_topic_GET"
-
-    document_references_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/document_reference_GET"
-
-    documents_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/document_GET"
-
-    topic_events_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/topic_event_GET"
-
-    comment_events_GET:
-      type: object
-      required:
-        - pagination
-        - data
-      additionalProperties: true
-      properties:
-        pagination:
-          $ref: "#/components/schemas/pagination"
-        data:
-          type: array
-          items:
-            $ref: "#/components/schemas/comment_event_GET"
-
-  parameters:
-    version:
-      in: path
-      name: version
-      schema:
-        type: string
-        default: "3.0"
-      required: true
-    project_id:
-      in: path
-      name: project_id
-      schema:
-        type: string
-      required: true
-    topic_guid:
-      in: path
-      name: topic_guid
-      schema:
-        type: string
-      required: true
-    comment_guid:
-      in: path
-      name: comment_guid
-      schema:
-        type: string
-      required: true
-    viewpoint_guid:
-      in: path
-      name: viewpoint_guid
-      schema:
-        type: string
-      required: true
-    document_reference_guid:
-      in: path
-      name: document_reference_guid
-      schema:
-        type: string
-      required: true
-    bitmap_guid:
-      in: path
-      name: bitmap_guid
-      schema:
-        type: string
-      required: true
-    document_guid:
-      in: path
-      name: document_guid
-      schema:
-        type: string
-      required: true
-    top:
-      in: query
-      name: $top
-      schema:
-        type: string
-    skip:
-      in: query
-      name: $skip
-      schema:
-        type: string
+  $ref: "./components/schemas.yaml#/components/schemas"