[NTG-context] Generating a list of items

[David]

Hi all

I'm teaching some classes and want to make a template for lesson 
planning. One of the things that I'd like to be able to include, if it 
works easily, is an automatically-created list of the materials I need 
to remember to bring. I expect this means I would define something like 
\Materials , and then while typing the main text of my plan be able to 
type \Materials{Photographs} or \Materials{Sound Recording} and then 
have ConTeXt generate

"Materials: 1. Photographs  2. Sound Recording"

near the top of the page.

I've tried \placeregister, but it seems to insist on printing page 
numbers and alphabetical headings. I just want a numbered list of 
items. Can I tweak the \register commands to do this, or perhaps is 
there something else I should try?

Thanks
David