How to add menu extension without hook?

I wish to add something to LevelEditorViewport context menu. But menu extender only has method where first argument is name of extension hook (menu section). If name I provide is not exist, my extension won’t show in context menu.
Is there a way to always add menu extension?

Example:

TSharedPtr<FExtender> Extender = MakeShareable(new FExtender);
Extender->AddMenuExtension("SomeNonExistingHookName",
    EExtensionHook::Before,
    CommandList,
    FMenuExtensionDelegate::CreateStatic(&FillOptions, SelectedActors));

Output:
Menu won’t be extended.