register method Null safety

Future<void> register(
  1. String userName
)

Register User / Call Participant

sends request with payload as: {"request": "register", "username": userName}

since it is asynchronous request result can only be extracted from event messages

Implementation

Future<void> register(String userName) async {
  var payload = {"request": "register", "username": userName};
  await this.send(data: payload);
}