Hi @Sebastian Sukstorf ,
As this is more related to Power App, it is not supported in the Q&A forum. I would suggest you start a new thread in Microsoft Power Apps Community for further help.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.