This method allows you to process the authentication request to the user, you will
require a Request Token to perform this request, see Request Authentication
for more information on how to obtain a Request Token.
The ID of the Application
The Application's Secret Key
The request token for this authentication request
Example Success Response
This response is returned when the user has successfully authenticated to your
This is a normal and expected response telling you that the server is waiting
for the user to authenticate to your Application, at this stage you should
poll the request until the results has changed to another error or success
The Access Token allowing you to have access to the users account.
A array of permissions that the User granted to the Application
The Unix Timestamp for when this access token expires
To get more information about what permissions a Application can use and
what do they mean, see Application Permissions.
Note that the user can deny certain permissions that your Application requests,
so for example if you request the ability to view the users Email Address then
the user can deny that request but still authenticate to your Application.