Filter the content of the user approval and rejection messages

wcmo_user_approval_message.php

<?php
/**
 * Filter the content of the user approval message
 * @param $message	The message content
 * @param $url			The url to redirect the user to
 * @param $user 		The user object
 */
function prefix_user_approval_message( $message, $url, $user ) {

	$message = 'My new message goes here';
	return $message;

}
add_filter( 'wcmo_user_approval_message', 'prefix_user_approval_message', 10, 3 );

/**
 * Filter the content of the user rejection message
 * @param $message	The message content
 * @param $url			The url to redirect the user to
 * @param $user 		The user object
 */
function prefix_user_rejection_message( $message, $url, $user ) {

	$message = 'My new message goes here';
	return $message;

}
add_filter( 'wcmo_user_rejection_message', 'prefix_user_rejection_message', 10, 3 );

/**
 * Filter the subject
 * @param $subject	The subject
 */
function prefix_user_approval_rejection_subject( $subject ) {

	$subject = 'My new subject goes here';
	return $subject;

}
add_filter( 'wcmo_user_approval_rejection_subject', 'prefix_user_approval_rejection_subject' );