Using a wordpress posts meta field for dynamic gravity form emails

Dynamic gravity form emails

<?php function agent_notification( $notification, $form) {
 
   //This example is using a form with the id of 1
    if($form["id"] == 4){
        global $post;
 
        //the example email is stored in a post meta field called "_cmb_email"
        //$agent_email = get_post_meta( $post->ID , '_cmb_email', true );
	$agent_email = get_field('agent_email');
        $notification['to'] = $agent_email;
 
       return $notification;
    }
}
 
add_filter('gform_notification', 'agent_notification', 10, 3);