Microsoft Power Apps for Confluence allows you to easily embed Power Apps in Atlassian products.
Play your Power App and copy the URL from your browser’s address bar.
Make sure that the URL looks like the one in the example.
https://apps.powerapps.com/play/...
Make sure that the app you’re embedding is accessible to your audience.
How to embed your Power App
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Copy the URL address of your Power App
In the Confluence editor, add the Power Apps macro from the toolbar or type /powerapp and confirm
Click on Edit.
Paste the app’s URL into the corresponding section
(Optional) Edit the viewer settings
Done!