API PRO User Login

/user_login
This method is required by other methods related to TMS accounts such as shortcode creation. Should return empty data on success.

Gateway:

http://www.tmsfactory.com/api/pro/user_login/

Returns:

Nothing

Requires: Parameters:
 * /auth
 * xml
 * Type: String


 * Required: YES


 * Notes: XML containing login details.

The following parameters must be enclosed inside the ''

Response: {"errors":[],"data":[],"warnings":[]}