In my task add-in i want to send a notification to the one who started the task. The task is started when a user make a state transition. So actualy I want to find out who made did the transition. In IEdmTaskInstance I cannot find a way to find the user. Also in I can't find a way. Can you tel me how to find the user? Or can you tel me how to send a notification to the one who started the task in the