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Question by playfab-11 · Jan 28 at 03:25 PM · limits

CustomID Invalid Param with Unity SystemInfo.deviceUniqueIdentifier

Hi
Using Unity method SystemInfo.deviceUniqueIdentifier with UWP, and it generate a 112 character long string.

What is the length limit of CustomID

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Answer by Sarah Zhang · Jan 31 at 09:00 AM

The length of the CustomId that can be linked to the PlayFab player account is limited to greater than 0 and less than or equal to 100 characters. You can also check this thread - Unable to login with CostumID on UWP build - Playfab Community for more information. If you want to call the API LoginWithCustomID to register and login a player account using a CustomId, you can consider using the method Guid.NewGuid Method to generate a GUID and use it as the CustomId. Please refer to the documentation - Guid.NewGuid Method (System) | Microsoft Docs for information.

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