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  • I am trying to follow the method described here ( But It’s not working whatever I do. There is no change in the featured image. Note, I am in a custom post type.

    This is added to my themes functions.php

    function acf_set_featured_image( $value, $post_id, $field  ){
        if($value != ''){
    	    //Add the value which is the image ID to the _thumbnail_id meta data for the current post
    	    update_post_meta($post_id, '_thumbnail_id', $value);
        return $value;
    // acf/update_value/name={$field_name} - filter for a specific field based on it's name
    add_filter('acf/update_value/name=character_featured_image', 'acf_set_featured_image', 10, 3);

    This is my field group.