Channel provides Quick-reply option for a Webhook. You can easily reply a message with your response for our Webhook event request.
If you want to reply a message with your response, you should add a custom HTTP response header
JSON
Else, we will recognize your response as not a Quick-reply message.
You can set bot-name for your Quick-reply message with a custom HTTP response header
JSON
Else, bot name will be your Channel-name.
Your response body should look like below, same with Send a message to a Group
JSON