Re: Sorry : MASingleOptionDescription : 'options:' which depends of an instance attribute

I don't exactly understand what you described, though I think I understand the problem described in the subject of your mail. It is the easiest if you override #description on the instance-side of your object and manually add/change (a copy of) the MAOptionDescription to hold the objects you want in the list of options. This is one of the things I would like to get fixed in the next big change of Magritte: have descriptions that belong to the instance being defined on the instance side, so that they can differ depending on the state of the model. Cheers, Lukas -- Lukas Renggli http://www.lukas-renggli.ch