src/Smalot/Magento/Catalog/ProductDownloadableLink.php
public function add($productId, $resource, $resourceType, $store = null, $identifierType = null)
    {
        return $this->__createAction('product_downloadable_link.add', func_get_args());
    }
public function add($productId, $resource, $resourceType, $store = null, $identifierType = null)
    {
        return $this->__createAction('product_downloadable_link.add', func_get_args());
    }
public function add ( $ productId , $ resource , $ resourceType , $ store = null , $ identifierType = null ) { return $ this -> __createAction ( 'product_downloadable_link.add' , func_get_args ( ) ) ; }
Allows you to add a new link to a downloadable product.

@param string $productId
@param array  $resource
@param string $resourceType
@param string $store
@param string $identifierType

@return ActionInterface
Allows you to add a new link to a downloadable product .