How to display array in xml?

Good time of day.
I have a collection, number of aytemov it is not known beforehand.
There is a form user_user_form.xml
how can I make a fieldset, whatever number field s depends on the size of the collection?
of course it will need to pass through the DataProvider
PS
dynamic_rows_container us, but the problem it that the field you originally input's s
and make them text somehow does not work :[
March 23rd 20 at 19:06
0 answer

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