ovr_GroupPresence_SetMatchSession Function
Replaces the user's current match session id for the provided one. All other existing group presence parameters will remain the same.
A message with type ovrMessage_GroupPresence_SetMatchSession will be generated in response.
This response has no payload. If no error occurred, the request was successful. Yay!
ovrRequest ovr_GroupPresence_SetMatchSession(const char *id)