if the service is using a Google Request Factory it will use that assuming credentials are set to retrieve the authentication token for those credentials

Namespace:  Google.GData.Client
Assembly:  Google.GData.Client (in Google.GData.Client.dll)
Version: 1.4.0.2

Syntax

C#
public string QueryAuthenticationToken()
Visual Basic (Declaration)
Public Function QueryAuthenticationToken As String
Visual C++
public:

String^ QueryAuthenticationToken()

Return Value

string

See Also