public function setPaymentMethod(ComSubscriptionsDomainPaymentMethodInterface $method)
    {
        $this->_payment_method = $method;
        $this->method = (string) $method;

        return $this;
    }
public function setPaymentMethod(ComSubscriptionsDomainPaymentMethodInterface $method)
    {
        $this->_payment_method = $method;
        $this->method = (string) $method;

        return $this;
    }
public function setPaymentMethod ( ComSubscriptionsDomainPaymentMethodInterface $ method ) { $ this -> _payment_method = $ method ; $ this -> method = ( string ) $ method ; return $ this ; }
The method of payment.

@param ComSubscriptionsDomainPaymentMethodInterface $method The method of payment
The method of payment .