/**
  * Get Messages From SQS
  *
  * @param null $priority
  * @return array
  */
 protected function getMessages($priority = null)
 {
     $this->logMsg('Retrieving Messages: ' . $this->Styles->blue($this->primarySqsUrl()));
     if ($priority != null) {
         $this->logMsg('Priority: ' . $this->Styles->blue($priority));
     }
     $data = $this->sqs->receive($priority);
     if (empty($data)) {
         $this->logMsg($this->Styles->yellow('WARNING') . ': ' . $this->no_data);
         return [];
     }
     return $data['Messages'];
 }