Can i have a power window on an adjusment clip?

So i have two clips on the timeline, wich are a continous action. Id like
to have the same power window on the added above adjusment clip ove these
two clips on the timeline.

Is that feasible, or am i taking this the wrong way?

Thanks

Yep.

Most things should work on an adjustment clip.

The one category that definitely won't: any temporal effects - effects that need to access multiple frames at the same time. These are not currently supported on Adjustment Clips.

Examples: Temporal noise reduction (spatial should be OK), DeFlicker, and any retiming/speed effects.