Add configuration for customizable metric name

README.md

@@ -32,6 +32,10 @@ To enable Datadog reporting in non-production environments, add the following to
       config.environments = ['staging', 'production']
     end
 
+Override the default metric name with the following configuration:
+
+    config.metric = :rails_performance
+
 ## Contributing
 
 1. Fork it ( https://github.com/metova/datadoge/fork )

lib/datadoge.rb

@@ -7,6 +7,7 @@ module Datadoge
 
   with_configuration do
     has :environments, classes: Array, default: ['production']
+    has :metric, classes: [Symbol, String], default: 'Performance'
   end
 
   class Railtie < Rails::Railtie
@@ -37,7 +38,7 @@ def send_event_to_statsd(name, payload)
         measurement = payload[:measurement]
         value = payload[:value]
         tags = payload[:tags]
-        key_name = "#{name.to_s.capitalize}.#{measurement}"
+        key_name = "#{Datadoge.configuration.metric.to_s}.#{measurement}"
         if action == :increment
           $statsd.increment key_name, :tags => tags
         else