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Send a channel alert using a slack bot over post request

I used this tutorial to create a Slack bot. Now I want that Slack Bot to send an alert to the channel. However, simply including @channel in the message doesn't work.

Solution

  • Firstly, to escape a sequence use < and >. Secondly, the @ should be replaced with a !.

    The format of the message should therefore be: <!channel> Hello World

    This will notify the channel with the message Hello World.

    For more information see the docs (particularly the sections on the use of < and > and Variables).