Bitrix24 Case: Adding Files from a Task Attached to a Deal to a Custom Field of the Deal Itself

This post automatically translated Today we will consider a solution to a real problem, implemented by our specialists and which can be useful for developers involved in finalizing and expanding the functionality of the boxed version of Bitrix24 for specific tasks. The task is as follows: When saving a task linked to a deal, duplicate the files attached to this task in the deal in a custom field with multiple values of the “File” type.