Reply To: Populate Field Value with Sum of Two Other Fields

• John Huebner

• August 11, 2020 at 9:15 pm

You would need to loop over the flex field and loop over the repeater, just like you if you were going to display the flex/repeater on the front end of the site. Then use get_sub_field() and update_sub_field() https://www.advancedcustomfields.com/resources/update_sub_field/