Does your NazionalityModel implement #displayString ? ________________________________ From: smallwiki-bounces(a)iam.unibe.ch [mailto:smallwiki-bounces@iam.unibe.ch] On Behalf Of Dario Trussardi Sent: lundi, 14. avril 2008 18:56 To: smallwiki(a)iam.unibe.ch Subject: Default display for MASingleOptionDescription Hi All, i have CantonModel with some descriptions One of it is based on MASingleOptionDescription where options are object from other model NazionalityModel. NazionalityModel have some description too. My question is : how i can define the label display in CantonModel relative to NazionalityModel ? For now it display the NazionalityModel's description with low priority. But i need to display other data. How i can do it ? Thanks, Dario