Integrate with the system provided Workout Live Activity in the Apple Watch Smart Stack

When I start a workout in my app, the system shows a Live Activity in the Smart Stack like in the picture. My app opens if I tap on it, but the pause and resume buttons doesn't do anything.

I have implemented the PauseWorkoutIntent and ResumeWorkoutIntent which works with the Action Button. I guessed that these would be used from this Live Activity as well, but it seems like not.

Has anyone successfully integrated with this? I haven't seen it documented anywhere, although I think it was already included in watchOS 10.

This is also shown when using the built in workout app and for that the buttons work as expected.

Integrate with the system provided Workout Live Activity in the Apple Watch Smart Stack
 
 
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