public function service($service,$session = null)
    {
        $this->service = (new Service($service,$session ?: $this->session));

        return $this->service;
    }
public function service($service,$session = null)
    {
        $this->service = (new Service($service,$session ?: $this->session));

        return $this->service;
    }
public function service ( $ service , $ session = null ) { $ this -> service = ( new Service ( $ service , $ session ? : $ this -> session ) ) ; return $ this -> service ; }
Set the google adwords service.

@param \Google\AdsApi\AdWords\v201809\cm\*  $service
@param \Google\AdsApi\AdWords\AdWordsSession|null $session
@return Service
Set the google adwords service .