how does form initial when it navigate

we got the first page of gallery ,and we put a arrow inside the gallery , using it to navigate to the detail page like this,

first page

on the second page , we put a form to display ,let them to review the ticket and update (includes attach files )

form page

but now , here is a question , how to initial the form and fill data with the condition like the first page’s ID ?


using ITEM to display Gallery.seleceted , no ID , amazing!

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