Lead::getEntityLimitInfo

public function getEntityLimitInfo(): array
{
	$lastLead = \CCrmLead::GetListEx(
		['ID' => 'DESC'],
		['CHECK_PERMISSIONS' => 'N'],
		false,
		['nTopCount' => '1'],
		['ID']
	)->Fetch();
	$lastLeadId = $lastLead['ID'] ?? 0;

	return [
		'lastContactId' => 0,
		'lastCompanyId' => 0,
		'lastId' => $lastLeadId,
	];
}