Check out these 2 videos: * https://experienceleague.adobe.com/docs/experience-manager-learn/assets/configuring/metadata-schemas.html?lang=en* https://experienceleague.adobe.com/docs/experience-manager-learn/assets/authoring/metadata.html?lang=en
Hi - to work on assets in Creative Cloud apps, you need to download them to your device, process them, and then sync them back. You can of course also explore AEM Desktop app  for syncing large sets of assets, processing them, and then syncing them back in bulk.  https://experienceleague.adob...
I assume youre talking about registering custom property Namespaces?
You can see this post on registering new property namespaces:
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