// When setting this flag to true, the group will not be discarded when it becomes empty of clients// The duration of the empty group to be kept is dictated by ttlbool allowEmpty =true;// When setting this flag to true, the client that creates the group will automatically join the group createdbool join =true;// TTL of an empty group. TTL is only effective if allowEmpty is true// TTL is in secondsuint16_t ttl =60;// This is the event listener callback for group creationREG_EVENT(group->GetCreateEvent(), [this](void*,constDiarkisGroupEventArgs& e){this->OnCreate(e);});// Create a new group on the servergroup->Create(allowEmpty,bool join,uint16_t ttl);