Document::getImageAction

public function getImageAction(BitrixDocumentGeneratorDocument $document, CRestServer $restServer = null)
{
	if($document->IMAGE_ID > 0)
	{
		return FileTable::download($document->IMAGE_ID);
	}
	else
	{
		Loc::loadLanguageFile(__FILE__);
		$this->errorCollection[] = new Error(Loc::getMessage('DOCGEN_CONTROLLER_DOCUMENT_NO_IMAGE'));
	}

	return null;
}