title: sending notification to one user using Channels 2
body: <p>I want to send notification to specific authenticated user using Channels 2.</p>
  
  <p>In below code i am sending notification as a broadcast instead of that i want to send notification to  a specific user.</p>
  
  <pre><code>from channels.generic.websocket import AsyncJsonWebsocketConsumer
  
  
  class NotifyConsumer(AsyncJsonWebsocketConsumer):
  
      async def connect(self):
          await self.accept()
          await self.channel_layer.group_add("gossip", self.channel_name)
          print(f"Added {self.channel_name} channel to gossip")
  
      async def disconnect(self, close_code):
          await self.channel_layer.group_discard("gossip", self.channel_name)
          print(f"Removed {self.channel_name} channel to gossip")
  
      async def user_gossip(self, event):
          await self.send_json(event)
          print(f"Got message {event} at {self.channel_name}")
  
  </code></pre>