This feature - PlayFab User Generated Content (UGC) can help players to create, upload, and search for moderated content. You can use it to implement your requirements. Please note, this feature is currently in the public preview. It is provided to give you an early look at an upcoming feature, and to allow you to provide feedback while it is still in development. Please watch our UGC Game Stack Live video and check our documentation - PlayFab User Generated Content to learn more about how to use it.
This documentation- User Generated Content (UGC) quickstart - PlayFab | Microsoft Docs provides the common tutorial of how to upload, publish and search UGC items that applies to Unity. You can use the corresponding SDK methods to implement them in Unity.
If you have questions when you implement the specific functions, please feel free to post the new threads for them.
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