Custom Event can be show in Branded app?

Question:
i wrote custom codes and loaded in website already connected to Branded app is there any option to have them in Branded app ? for example i made a custom event in my website but how it will be show in Branded app as well ?

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The Branded App currently relies on data and widgets from Wix apps, meaning custom code/layouts are unavailable.

That being said, there is a Beta you can apply for which is the “Mobile Widget Builder” allowing you to add custom layouts and code - https://www.wix.com/studio/mobile-widget-builder