I want to create an alias for our rotating on-call team member. I would like the @oncall mention to refer to whomever's on-call every week.

Is there an easy way to do that?

2 Answers 2


Try creating a Slack User Group and assigning the current on-call user as a member of your new group.

You can then @mention them via their group name, like this: @current-on-call


You can check out https://tellspin.app.

It's a Slack app that automatically rotates users within a Slack user group (or alias) based on a schedule. You can have an @oncall user group updated daily or weekly with different users depending on how you configure it. It can set overrides too.

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