Mage2\Catalog\Module::registerViewComposerData PHP Method

    public function registerViewComposerData()
    {
        View::composer(['admin.catalog.product.boxes.inventory'], 'Mage2\\Catalog\\ViewComposers\\ProductBoxInventoryComposer');
        View::composer(['admin.catalog.product.boxes.basic'], 'Mage2\\Catalog\\ViewComposers\\ProductBoxBasicComposer');
    }