I am looking to do something similar, but simpler. I have a front-end form that allows the user to upload an image attachment to their account (separate from their profile pic). So the form would save to post_id of ‘user_123’ (for user ID 123).
Do I need to use this technique in order for the image upload to work, or is it sufficient to have an image field in the form group used in the acf_form?
