addRoomGrant method
Adds a 'room' grant to the participant token.
Implementation
void addRoomGrant(String roomName) {
  grants.add(ParticipantGrant(name: 'room', scope: roomName));
}Adds a 'room' grant to the participant token.
void addRoomGrant(String roomName) {
  grants.add(ParticipantGrant(name: 'room', scope: roomName));
}