WoohooLabs\Yin\JsonApi\Transformer\ResourceTransformerInterface::getId PHP Method

    public function getId($domainObject);

 /**
  * Returns the resource ID for the current domain object.
  *
  * It is a shortcut of calling the resource transformer's getId() method.
  *
  * @return string
  */
 public function getResourceId()
 {
     return $this->transformer->getId($this->domainObject);
 }