Appointements + Service Provider Phone in emails

App+ Inject Phone.php

// Append the Phone Number to the Confirmation / Reminder mails
add_filter( 'app_confirmation_message', 'append_phone_to_app_email', 10, 3 );
add_filter( 'app_reminder_message', 'append_phone_to_app_email', 10, 3 );

function append_phone_to_app_email( $msg, $obj, $app_id) {
	$worker = $obj->worker;
        // Get Worker Phone from $meta table
	$worker_phone = get_user_meta($worker, "app_phone", true);
		if ( $worker_phone ) {
                    // Search and replace the WORKER_CONTACT string
		    $msg = str_replace( 'WORKER_CONTACT',  'Phone: ' . $worker_phone, $msg );
		}

	return $msg;
}

Simply copy/paste this code snippet into the functions.php of a child theme or a site specific code plugin if you use one. Then use the placeholder WORKER_CONTACT in your email messages, it will be replaced with the Service Provider Phone number