Pull requests are just extended issues. I guess it is already possible: https://help.github.com/en/github/automating-your-workflow-with-github-actions/events-that-trigger-w...
on: issues: types: [milestoned]
I gave this a shot and it didn't work. Issues also has different metadata than pull_request so it wouldn't of worked for what I am doing.
Hey @spenrose, You are correct `milestoned` is not an activity type under the pull_request event as of now. I'll be sure to pass this feedback along to the team.
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Hey @AndreaGriffiths11 ,
is there any other way to trigger actions on pull request milestone changes?