public function setAdGroupName($adGroupName = null)
{
// validation for constraint: string
if (!is_null($adGroupName) && !is_string($adGroupName)) {
throw new \InvalidArgumentException(sprintf('Invalid value, please provide a string, "%s" given', gettype($adGroupName)), __LINE__);
}
$this->AdGroupName = $adGroupName;
return $this;
}