/**
  * Public function that passes @fileArray to the activities collection
  * as a mutlipart/form data request
  *
  * @param array $fileArray - array of dataFile, activityType and lists
  * @return string - Success or Fail code from the API server
  */
 public function multiPart($fileArray)
 {
     $utility = new CTCTUtility();
     $call = $utility->getApiPath() . '/ws/customers/' . $utility->getLogin() . '/activities';
     $return = $utility->multiPartPost($call, $fileArray);
     $code = $return['info']['http_code'];
     return $code;
 }