entity.ComplexProperty(e => e.DataTable)
    .ConfigureComplexDataTable()
    .IsRequired();



public static ComplexPropertyBuilder<DataTable> ConfigureComplexDataTable(this ComplexPropertyBuilder<DataTable> complexBuilder)
{
    // Use JSON conversion for the entire DataTable object, this will map to a single column in the database
    // of type nvarchar(max) or json if supported (compatibility mode for SQL Server and Azure SQL >= 170)
    // By default the json keys will be in PascalCase, we will override them below to be in camelCase
    complexBuilder.ToJson();


    // Map properties to camelCase JSON keys, this is optional but recommended for consistency and JSON standards
    // This is all this method does, the actual storage is handled by the ToJson() call above
    complexBuilder.PrimitiveCollection(a => a.Headers)
        .HasJsonPropertyName(nameof(DataTable.Headers).ToCamelCase());

    complexBuilder.ComplexCollection(a => a.Rows, b =>
    {
        b.HasJsonPropertyName(nameof(DataTable.Rows).ToCamelCase());

        b.Property(x => x.Name)
            .HasJsonPropertyName(nameof(DataTable.DataTableRow.Name).ToCamelCase());

        b.Property(x => x.Uuid)
            .HasJsonPropertyName(nameof(DataTable.DataTableRow.Uuid).ToCamelCase());

        b.PrimitiveCollection(x => x.Values)
            .HasJsonPropertyName(nameof(DataTable.DataTableRow.Values).ToCamelCase());
    });

    return complexBuilder;
}


public record DataTable
{
    public List<string> Headers { get; init; } = [];
    public List<DataTableRow> Rows { get; init; } = [];

    public record DataTableRow
    {
        public Guid Uuid { get; init; } = Guid.Empty;
        public string Name { get; init; } = string.Empty;
        public List<string> Values { get; init; } = [];
    }
}