Wordpress how to update ACF field in a custom post type after the post has been saved

Question

I'm trying to set the value of a field in a custom post type right after that post has been created. Here is my code:

add_action('acf/save_post', 'set_coach_email');
function set_coach_email( $post_id ){
    $posttype = get_post_type($post_id);
    if ('team' !== $posttype){
        return;
    }
    $email = '[email protected]';
    update_field('coach_email', $email, $post_id);
}

I used ACF fields to create this custom post type, but I can't seem to get it to work.

Answer 1

I'd check the opposite conditional check. Also i'd first check if the field is empty or not, then i'd only run the update if the field is empty.

add_action('acf/save_post', 'set_coach_email');

function set_coach_email($post_id)
{
  $posttype = get_post_type($post_id);

  $email_field = get_field('coach_email', $post_id);

  if ('team' == $posttype && empty($email_field)) {

    $email = '[email protected]';

    update_field('coach_email', $email, $post_id);

  }
}

Just tested on my own custom post type and it worked fine. Let me know if you could get it to work too!