setParticipant method
Sets a participant of the conversation.
@remarks This method is idempotent and can be called multiple times.
@param user - A User
object that identifies the person who is a participant of the
conversation. The user is uniquely identified by their id; all other fields (name, photo etc)
are overwritten in the TalkJS database each time they change.
@param settings - An optional setting of participation, can be an initial access
right or
if user should be notified.
Implementation
external void setParticipant(User user, [dynamic settings]);