public function setCampaignID($campaignID = null)
{
// validation for constraint: int
if (!is_null($campaignID) && !is_numeric($campaignID)) {
throw new \InvalidArgumentException(sprintf('Invalid value, please provide a numeric value, "%s" given', gettype($campaignID)), __LINE__);
}
$this->CampaignID = $campaignID;
return $this;
}