@peternlewis - I love the new Subroutine feature in KM 10. I was wondering if you might consider adding a way to specify parameter types, including checkboxes, plick lists, etc., like you can with plug-in actions. Or maybe a better comparison would be like the variable types in a Prompt for User Input action.
I'd also like to be able to specify help text of some kind. Perhaps as "placeholder" text, like in the search box in the editor: