Well, so we need to create an extended Manual Activity Class/Form or a brand new custom Activity Class/Form and we want to have a new User Picker (or Single Instance Picker) on the Form to be able to select a User (or CI) which is somehow related to this Activity. Pretty easy huh? Well ... yeah, but...

A lot of Service Manager environments ( 2010 or 2012 ) suffer from bad performance because of to many entity changes. Let me explain how this works: To best explain, we will take an out of the box relationship: System.WorkItemAffectedUser <RelationshipType id="System.WorkItemAffectedUser" accessibility...