You want to broadcast a message to all clients in a chat room using Django Channels. Which approach correctly sends a message to the group named "chat_room"?

hard📝 Application Q15 of 15

Django - Async Django

Aawait self.send_group("chat_room", {"text": "Hello"})

Bawait self.group_send("chat_room", {"type": "chat.message", "text": "Hello"})

Cself.channel_layer.send_group("chat_room", {"text": "Hello"})

Dawait self.channel_layer.group_send("chat_room", {"type": "chat.message", "text": "Hello"})

Step-by-Step Solution

Solution:

Step 1: Recall group message syntax
Use channel_layer.group_send with await and a message dict including "type" key.
Step 2: Check options
await self.channel_layer.group_send("chat_room", {"type": "chat.message", "text": "Hello"}) uses correct method, await, and message format. Others use invalid methods or missing await.
Final Answer:
await self.channel_layer.group_send("chat_room", {"type": "chat.message", "text": "Hello"}) -> Option D
Quick Check:
Group send = await channel_layer.group_send(...) [OK]

Quick Trick: Use await channel_layer.group_send with type key [OK]

Common Mistakes:

MISTAKES

Using non-existent send_group or group_send methods
Omitting await on async calls
Missing the required "type" key in message dict

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You want to broadcast a message to all clients in a chat room using Django Channels. Which approach correctly sends a message to the group named "chat_room"?

Step 1: Recall group message syntax

Step 2: Check options

Final Answer:

Quick Check:

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