C#

class Person(models.Model):
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30)

CREATE TABLE myapp_person (
    "id" serial NOT NULL PRIMARY KEY,
    "first_name" varchar(30) NOT NULL,
    "last_name" varchar(30) NOT NULL
);

p = Person(first_name='Alex', last_name='Egg')
p.save()

public class Model
    {
        public Model()
        {
            
            new NotImplementedException();
        }

        public static Manager Objects;

        public void Save()
        {
           
        }

        public void Delete()
        {
        }
        
    }

    public class Manager
    {
        public Manager()
        {
        }
        public  void Get()
        {
            new NotImplementedException();
        }

        public void All()
        {
            new NotImplementedException();
        }
    }

public class SentRecord : Model
    {
        public Person(string firstName, string lastName)
        {
            this.FirstName= firstName;
            this.LastName = lastName;  
        }
      
        public string FirstName;
        public string LastName;
        
    }

Person p=new Person("Alex","Egg");

p.Save();