getRequestForDescribe
Request to completely describe the individual metadata at all levels for the specified object.
Return
RestRequest object that requests an object's metadata description for the given API version.
Parameters
apiVersion
Salesforce API version.
objectType
Type of object for which the caller is requesting the metadata description.
See also
<a href="http://www.salesforce.com/us/developer/docs/api_rest/Content/resources_sobject_describe.htm">http://www.salesforce.com/us/developer/docs/api_rest/Content/resources_sobject_describe.htm</a>