filter method

RealtimeObserver<T> filter(
  1. RealtimeFilter filter
)

Set filter conditions for the subscription with type safety

Example

realtime.observe<Map<String, dynamic>>('messages.chat')
  ..filter(RealtimeEqFilter('room_id', 'room123'))
  ..on(RealtimeObserverEvent.data, (event) {
    print('Message in room123: ${event.data}');
  });

Implementation

RealtimeObserver<T> filter(RealtimeFilter filter) {
  _filter = filter;
  return this;
}