public getCallbackEventParameter ( ) : string | ||
return | string | postback event parameter |
public function getCallbackEventParameter()
{
if ($this->_callbackEventParameter === null) {
$param = $this->getRequest()->itemAt(TPage::FIELD_CALLBACK_PARAMETER);
$this->_callbackEventParameter = $param;
}
return $this->_callbackEventParameter;
}