Gitlab-ci run several manual job with one button

I have three manual jobs in the .gitlab-ci.yml
When I run a pipeline I have 3 buttons to run these three jobs separately.
How can I run it with one button?

As far as I can see there is no option to provide what you want. Also; What you want is not aligned with the design and purpose of CI, so its not a flaw of Gitlab CI in my opinion.

An easy answer would be: Combine your 3 jobs in 1 job. Though I understand you may want to keep things clean, so take a look at:

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