Sylius\Behat\Page\Admin\Promotion\CreatePageInterface::specifyCode PHP Method

    public function specifyCode($code);

 /**
  * @When I specify its code as :code
  * @When I do not specify its code
  */
 public function iSpecifyItsCodeAs($code = null)
 {
     $this->createPage->specifyCode($code);
 }