master details in cqrs 1

public class CustomerCreated : Event
{
    public readonly int Id;
    public readonly string CustomerName;

    public CustomerCreated(int id, string customerName)
    {
        Id = id;
        CustomerName = customerName;
    }
}

public class OrderPlaced : Event
{
    public readonly int Id;
    public readonly int OrderTotal;
    public readonly DateTime OrderDate;
    
    // You could put some line item data here - omitted for brevity

    public OrderPlaced(int id, int orderTotal, DateTime orderDate)
    {
        Id = id;
        OrderTotal = orderTotal;
        OrderDate = orderDate;
    }
}