'Properties' object passed into the WL.api method.
A JSON object that specifies the REST API request body. The body property is used only for "POST" and "PUT" requests.
An HTTP method that specifies the action required for the API call. These actions are standard REST API actions: "COPY", "GET", "MOVE", "PUT", "POST", and "DELETE".
Contains the path to the REST API object. For information on specifying paths for REST objects, see REST reference. http://msdn.microsoft.com/en-us/library/live/hh243648.aspx