/**
  * This returns the specific template pack object referenced by the template pack name attached to this message template group.  If no template pack is assigned then the default template pack is retreived.
  *
  * @since 4.5.0
  *
  * @return EE_Messages_Template_Pack
  */
 public function get_template_pack()
 {
     $pack_name = $this->get_template_pack_name();
     return EED_Messages::get_template_pack($pack_name);
 }