/**
  * @param string $processor the processor to underwrite the merchant on
  * @return \Finix\Resources\Merchant
  * @throws \Finix\Hal\Exception\LinkNotUniqueException
  * @throws \Finix\Hal\Exception\RelNotFoundException
  */
 public function provisionMerchantOn(array $args)
 {
     $merchant = new Merchant(["processor" => $args['processor']]);
     return $merchant->create($this->resource->getLink("underwriting")->getHref());
 }