public static void AfterItemTypesServer() { ItemTypesServer.RegisterType("ExampleBlock1", new ItemTypesServer.ItemActionBuilder() .SetOnAdd(ExampleBlockCode.OnAdd) .SetOnRemove(ExampleBlockCode.OnRemove) .SetOnChange(ExampleBlockCode.OnChange) .SetChangeTypes("ExampleBlock1", "ExampleBlock2") ); ItemTypesServer.RegisterParent("ExampleBlock2", "ExampleBlock1"); }