helpful_feedback_email_subject
Help: If you do not know how to execute or save your own PHP code, you can find help here: How to execute PHP code on your WordPress website
This can be used to change the subject of feedback emails.
/**
* Replace default email subject for feedback emails.
*
* @param string $subject default subject.
* @return string
*/
function custom_function( $subject ) {
return 'My subject';
}
add_filter( 'helpful_feedback_email_subject', 'custom_function' );