How to add another infoblock element to an infoblock element in Bitrix?

Question

1C-Bitrix

Good afternoon. Tell me, the user creates an infoblock element (announcement), another user can leave his proposal for this infoblock. How to organize it correctly?

Answer 1

have ib suggestions add a binding property to the element ib declaration. in the output of the elements of the ib declaration to finalize the template of the output

Answer 2

We extract the ID of the element (from questions), create a new element (answers), as a property we covertly substitute the id extracted from the question.