ReportDataSourceCategory

Field	NULL	Description	Note
id string (GUID)	Y	The id of the object
name string		The name of the data source category
querySource array of objects		An array of ReportQuerySource objects

Sample:

{
   "id": "f28d7175-4cef-478e-b914-ae075c3c33b8",
   "name": "Data Source Category 1",
   "querySource": [{
      "id": "ffd40590-aa27-4a14-8ebf-f32a0567bc08",
      "name": "Department",
      "type": "Table",
      "selected": false,
      "visible": true,
      "querySourceCategoryName": "HumanResources",
      "connectionName": "AdventureWorks2008R2",
      "isAlias": false,
      "fields": [{
           "id": "5da4090d-9b31-433c-b9bb-e9e82fcc92a8",
           "name": "DepartmentID",
           "alias": null,
           "dataType": "smallint",
           "unitDataType": "Number",
           "visible": true,
           "filterable": true,
           "extendedProperties": "{\"PrimaryKey\":true}",
           "isParameter": false,
           "allowDistinct": false
      }, {
           "id": "2636eeb4-cb65-48f4-9da6-2bfe5cd0659a",
           "name": "Name",
           "alias": null,
           "dataType": "nvarchar",
           "unitDataType": "Text",
           "visible": true,
           "filterable": true,
           "extendedProperties": "",
           "isParameter": false,
           "allowDistinct": false
      }]
   }]
}