I want to be able to create custom function categories, so
my add-in functions don't all appear in "User defined".

I understand about creating the category and assigning
functions to it with MacroOptions, but this seems to
require the category number, not the name. If I have more
than one custom add-in loaded, and they are both creating
new categories, the number associated with a given
category is not constant, so functions end up in the wrong
listing.

Any ideas please??