METHOD_SetGDAuthToken 
    This method submits a request from the 
BlackBerry Connect
 app to BEMS
 to update the gdAuthToken associated with an instant messaging session.| Parameter | Type | Required | Description | 
|---|---|---|---|
| gdAuthToken | String | √ | This parameter specifies the value of the  BlackBerry
        DynamicsauthToken. The BEMS-Connectserver confirms the validity of the token with the BlackBerry Proxyserver and uses the identity in the BlackBerry
        DynamicsAuthToken as the user ID. The user ID must match the identity in the session. | 
No notification is sent from 
BEMS
 as this method succeeds or fails synchronously.