Sylius\Behat\Page\Admin\ProductVariant\UpdatePageInterface::specifyPrice PHP Method

    public function specifyPrice($price);

 /**
  * @When /^I change its price to "(?:€|£|\$)([^"]+)"$/
  */
 public function iChangeItsPriceTo($price)
 {
     $this->updatePage->specifyPrice($price);
 }