ProjectDDD/Packages/SLSystem/ComponentOrderAttribute.cs

using System;

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
public class ComponentOrderAttribute : Attribute
{
    public int order;
    public string methodOverride;

    public ComponentOrderAttribute(int order)
    {
        this.order = order;
    }

    public ComponentOrderAttribute(string methodOverride, int order)
    {
        this.order = order;
        this.methodOverride = methodOverride;
    }
}