Is there a way to run your own cleanup step on a composite action?

[selfagency]

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I'm using an action which logs me into my Tailscale VPN so that I can push deployments to an on-prem server. I would like to customize the action to manually close and delete the connection during the cleanup step instead of just deleting the container. Is there currently a way you can add a step to a composite action that runs when the parent workflow is complete? I can't find anything in the docs.

[airtower-luna]

The supported syntax is described here: https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions

I'm afraid post scripts are only supported for Docker and Javascript actions.

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[mk-pmb]

My composite action prepares stuff in the repo. One feature is to create a logs directory at a default location. I'd like to add a post step that packs that logs dir as an artifact. So… any news on this? I want this feature, please.