Plain broadcasts is a free standalone app provided by Plain which lets you send updates to differentiated groups of customers in Slack.
Plain broadcasts

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Getting started

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Define an audience

Audiences let you group your customers so that you can control who messages get sent to. In order to add a channel to an audience you need to add the Plain app to it in Slack first. If you can’t see a channel you expect to, try hitting the refresh icon next to the search box to refresh the available channels.

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Create a broadcast

Broadcasts are the messages and updates which you send out to customers. You can construct your broadcast out of all the blocks you would expect such as:
  • text
  • headings
  • lists
  • images
  • code blocks
  • and more!
To insert emojis try using your system emoji picker e.g ctrl + cmd + space on Mac or Windows key + ; on Windows.