src/Smalot/Magento/Catalog/ProductLink.php
public function update($type, $productId, $linkedProductId, $data, $identifierType = null)
    {
        return $this->__createAction('catalog_product_link.update', func_get_args());
    }
public function update($type, $productId, $linkedProductId, $data, $identifierType = null)
    {
        return $this->__createAction('catalog_product_link.update', func_get_args());
    }
public function update ( $ type , $ productId , $ linkedProductId , $ data , $ identifierType = null ) { return $ this -> __createAction ( 'catalog_product_link.update' , func_get_args ( ) ) ; }
Allows you to update the product link.

@param string $type
@param string $productId
@param string $linkedProductId
@param array  $data
@param string $identifierType

@return ActionInterface
Allows you to update the product link .