public class Person
{ 
    private string Name;
    private string FirstName;

    public Person(string name, string firstname) => (Name, FirstName) = (name, firstname);

List<Person> listofPersons = new List<Person>();


listofPersons.AddRange(new List<Person>
{
    new Person("John1", "Doe" ),
    new Person("John2", "Doe" ),
    new Person("John3", "Doe" ),
 });

       class-id Person.
       01 #Name string.
       01 FirstName string.

       method-id new(#name as string, firstname as string)
           set self::Name to #name
           set self::FirstName to firstname
       end method.

       end class.

           declare listofPersons = new type List[type Person].
           invoke listofPersons::AddRange(
               table of type Person(
                   new Person("John1", "Doe")
                   new Person("John2", "Doe")
                   new Person("John3", "Doe")))