Topic Tag: Setting up custom fields

Problem:
I need a User's custom Image field to become their post's featured image

Solution:
You should use the save_post action hook to automatically assign the custom user image field as post thumbnail. Please check how you can use save_post with the following doc:
=> https://toolset.com/documentation/customizing-sites-using-php/updating-types-fields-using-php/

You can find the proposed solution in this case with the following reply:
=> https://toolset.com/forums/topic/i-need-a-users-custom-image-field-to-become-their-posts-featured-image/#post-1967961

Relevant Documentation: