ContactCompanyBinding::isDocumentBoundToEntity

public function isDocumentBoundToEntity(int $documentId, int $entityId): bool
{
	$item = StoreDocumentContractorTable::query()
		->where('DOCUMENT_ID', $documentId)
		->where('ENTITY_TYPE_ID', $this->entityTypeId)
		->where('ENTITY_ID', $this->$entityId)
		->exec()
		->fetch();

	return (bool)$item;
}