ovr_GroupPresenceOptions_SetMatchSessionId Function

This is a session that represents all the users that are playing a specific instance of a map, game mode, round, etc. This can include users from multiple different lobbies that joined together and the users may or may not remain together after the match is over. Users with the same match session id in their group presence will not show up in the Roster, but will show up as "Recently Played with" for future invites.

void ovr_GroupPresenceOptions_SetMatchSessionId(ovrGroupPresenceOptionsHandle handle, const char *value)