[Building Sakai] How to create and define tools custom roles

[Tiago Gaspar]

Hi Guys,

I'm working on a tool for Sakai that requires specific roles. Not
system-wide roles, but specific tool roles. I couldn't find any
documentation regarding that. I could implement my own solution to the
problem, but I would like to follow the Sakai way of doing it. Is
there a Sakai for doing it? :-)

Appreciate,
Tiago.