id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release 11355,First letter of owner,laurence.wozniak@…,ejucovy,"Hello, I would like to be able to add in the subject of any mail sent the first letter of the ticket's owner if set. I have tried using substring(${ticket.owner}, 0 or 1, 1) but this does not work (it is not resolve and all the characters are added to the subject). Any way to do that ? ",enhancement,closed,normal,WorkflowNotificationPlugin,normal,worksforme,,,1.0