Appointments+ Conditional Email Notifications

@Hakan, in regards to your forwarding email code snippet,

function app_forward_mail( $body, $r, $app_id ) {
// Enter as many emails as you wish and change Subject as required
wp_mail( array('','' ), 'Subject', $body );
add_action( 'app_notification_sent', 'app_forward_mail', 10, 3 );
add_action( 'app_confirmation_sent', 'app_forward_mail', 10, 3 );

is there a way to identify the appointment status and send an email conditionally? For example:

If ($app_status == 'pending') or 'confirmed' or 'removed' then send this message to this email address?