lib/AktiveMerchant/Billing/Gateways/Realex.php
public function void($authorization, $options = array())
    {
        $this->required_options('pasref, order_id', $options);
        $this->buildVoidRequest($authorization, $options);

        return $this->commit();
    }
public function void($authorization, $options = array())
    {
        $this->required_options('pasref, order_id', $options);
        $this->buildVoidRequest($authorization, $options);

        return $this->commit();
    }
public function void ( $ authorization , $ options = array ( ) ) { $ this -> required_options ( 'pasref, order_id' , $ options ) ; $ this -> buildVoidRequest ( $ authorization , $ options ) ; return $ this -> commit ( ) ; }
Void a previous transaction

@param string $authorization The authorization returned from the previous authorize request.
@param array $options Optional parameters.

@return Response
Void a previous transaction