May I ask if there is an official listing code or document?

I found that this problem is not a problem with the code, but a problem with the USDZ model, because when I use the code you gave me to display the USDZ model you provided on GitHub, I can play the animation normally, but when I use the same code to display my own model, it does not It can play animations. I hope you can tell me how to solve it, thank you!

Thank you very much!

When I applied for the Apple vision pro developer kit, I found one of the terms: You must be a member in good standing of the Apple Developer Program and/or Apple Developer Enterprise Program, as applicable; So I want find the credibility of the Apple Developer Program account.

Thank you very much. I hope you can tell me whether it is normal that I haven't received a reply from Apple.