if(null !== $this->getConfig()->getNested("delay.$n")){
         $p->sendMessage($this->getConfig()->getNested("delay.$n"));
         $a = $this->getConfig()->getNested("delay.$n");
         $array = $this->getConfig()->getNested("delay");
         unset($array[array_search($a,$array)]);
         $this->getConfig()->setNested("delay",$array);
         $this->getConfig()->setAll($this->getConfig()->getAll());
         $this->getConfig()->save();
     }