Hi, On 7 Jan 2011, at 22:44, Esteban Lorenzano wrote: You cannot. Every action defined on a presentation receives that presentation as the first argument. From the presentation, you can simply ask for the selection. For example: ... andShow: [:a | a list act: [:list | list selection inspect] ... ] However, when working with Glamour, you should think in terms of actions and context. The toolbar is used to define actions that are applicable to the entire presentation. If you want to define an action to a selection only, you should use selectionAct:... a list selectionAct: [:list | list selection inspect] ... Cheers, Doru -- www.tudorgirba.com "There are no old things, there are only old ways of looking at them."