User Meta for One User Avartar

Thank you for developing this fantastic plugin. I have a concern. I am using a wordpress form to update user meta on my website. I need the user meta used in developing the one user avatar plugin usually in this format (user_meta_format). I want to add it in he form builder plugin I am using so that when users upload their profile picture in the form it automaticall updates the picrute on one user avartar