Creating a applicant through job X++

static void CreateAplicant(Args _args)
{
    HcmApplicant    hcmApplicant;
    DirPerson       dirperson;
    DirPersonName   dirPersonName;
    NumberSeq       sequence;
    HcmApplicantId  applicantId;
    RecId           person,   dirPersonRecid;
    DirPartyRecId   partyRecId;
    Name            personName;

    personName = "Krishna" +" " +"kumar"+ " " + "test";
    partyRecId = DirPartyTable::createNew( DirPartyType::Person, personName).RecId;

    dirPersonRecId = DirPerson::find(partyRecId).RecId;

    dirPersonName.FirstName = "Krishna";
    dirPersonName.MiddleName = "kumar";
    dirPersonName.LastName = "test";
    dirPersonName.Person = dirPersonRecId;

    if (dirPersonName.validateWrite())
    {
        dirPersonName.insert();
    }
    ttsbegin;   
    applicantId = NumberSeq::newGetNum( HRMParameters::numRefApplicantId()).num();
    ttscommit;
    hcmApplicant.ApplicantId = applicantId;

    if(dirPersonRecId != hcmApplicant.Person)
    {
        hcmApplicant.Person = dirPersonRecId;
        hcmApplicant.insert();
    }
}