Insert into USERINFO table, Ax 2012

public void insert()
{
    UserInfo userInfo,userInfo1;
    xAxaptaUserManager Axmanage;
    xAxaptaUserDetails Axdetails;

    super();

    Axmanage = new xAxaptaUserManager();
select firstonly userinfo1;

    userInfo.accountType = UserAccountType::ADUser;

    userInfo.networkAlias = userinfo1.NetworkAlias;

    userInfo.networkDomain = userinfo1.NetworkDomain;

    userInfo.id = "USERID";

    userInfo.name = "USERNAME";

    userInfo.company = userinfo1.companyid;

    userInfo.enable = this.Enabled;

// To get SID of user, without this user will not be able to login to ax, just user will be shown into user form

    Axdetails = Axmanage.getSIDFromName(this.UserId,this.NetworkDomain,UserAccountType::ADUser);

    userInfo.sid = Axdetails.getUserSid(0);

    userInfo.insert();
}