pocketmine\event\player\PlayerTextPreSendEvent::getMessage PHP Method

    public function getMessage()
    {
        return $this->message;
    }

 /**
  * Sends a direct chat message to a player
  *
  * @param string|TextContainer $message
  * @return bool
  */
 public function sendMessage($message)
 {
     if ($message instanceof TextContainer) {
         if ($message instanceof TranslationContainer) {
             $this->sendTranslation($message->getText(), $message->getParameters());
             return false;
         }
         $message = $message->getText();
     }
     $mes = explode("\n", $this->server->getLanguage()->translateString($message));
     foreach ($mes as $m) {
         if ($m !== "") {
             $this->server->getPluginManager()->callEvent($ev = new PlayerTextPreSendEvent($this, $m, PlayerTextPreSendEvent::MESSAGE));
             if (!$ev->isCancelled()) {
                 $pk = new TextPacket();
                 $pk->type = TextPacket::TYPE_RAW;
                 $pk->message = $ev->getMessage();
                 $this->dataPacket($pk);
             }
         }
     }
     return true;
 }