public class Customer
{
    public string Name { get; set; }
}
public class Order
{
    public Customer Customer { get; set; }
}

public class Customer
{
    public string Name { get; set; }
    public ICollection<Order> Orders { get; set; }
}
public class Order
{
    public Customer Customer { get; set; }
}

function addToken(data) {
   data.__RequestVerificationToken = $("input[name=__RequestVerificationToken]").val();
   data.postId=postId;
   return data;
}

function addToken(data) {
   data.__RequestVerificationToken = $("input[name=__RequestVerificationToken]").val();
   return data;
}

  data: addToken ( { postId: postId } ) , // اضافه کردن توکن