def sync_stream(self, key ,stream) :
        """Sync the stream with the key.

        Args:
            key (_type_): Context Value
            stream (_type_): Stream to sync
        
        Returns: 
            None
        """
        context_list = {**{"meetingId": key[0] , "uuid": key[1] , "meeting": key[2]}}
        stream.sync(context=context_list)
        return { "state" : stream.tap_state , "sync_cost" :stream._sync_costs}