ProductForm::getGridController

protected function getGridController(): array
{
	return [
		'name' => 'VARIATION_GRID_CONTROLLER',
		'type' => 'variation_grid',
		'config' => [
			'reloadUrl' => '/bitrix/components/bitrix/' . $this->getVariationGridShortComponentName() . '/list.ajax.php',
			'signedParameters' => $this->getVariationGridSignedParameters(),
			'gridId' => $this->getVariationGridId(),
		],
	];
}