LastName

public string LastName { get; }

 An object ‘User’ for the currently selected account is created in the next example. All its properties are outputted further, including LastName property.
 
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using PTLRuntime.NETScript;

namespace UserProperties
{
	public class UserProperties : NETStrategy
	{
		Account myAcc; //The 'Account' object creation.
		User myUser;//The 'User' object creation.
		
		public override void Init()
		{
			myAcc = Accounts.Current; //The initialization of the account that is currently used.
			
			myUser = myAcc.User; //The user initialization.
			//outputting of all the user properties.
			Print(
				"\nLogin :\t" + myUser.Login+
				"\nId :\t" + myUser.Id+
				"\nEmail :\t" + myUser.Email+
				"\nFirstName :\t"+myUser.FirstName+
				"\nMiddleName :\t"+myUser.MiddleName+
				"\nLastName :\t"+myUser.LastName+
				"\nTelephoneNumber :\t"+myUser.TelephoneNumber+
				"\nClientType :\t"+myUser.ClientType+
				"\nIsBroker :\t"+myUser.IsBroker
			);
		}        
	}
}