The On Behalf option is only available for Person entity in System Entity Group.
User Level permission () for On Behalf option means that users of the role can view and set only oneself as Reported by for the entities. If you have defined User Level permission, then a user covered in the role can only see oneself as option of Reported By dropdown list displayed in Ticket form in Agent Portal or as option of Requester dropdown list displayed in Ticket form in Self Service Portal.
Group Level permission () means that user of the role can view and set only selected groups and members of those groups as Reporter for the entities. When you select a Group Level and right click the symbol, a popup opens enabling you to select group(s) from the available, active groups in the system. If single group or multiple groups but not all are selected, then image icon will be surrounded by orange border. If all groups are selected then image icon will be surrounded by green border.
Organization Level permission () means that user of the role can view and set only members of the user’s organization as Reporter for the entities. Similar to Group Level, if Organization Level is selected and you right click the symbol, a popup is opened where you can select organization(s) from available, active organizations in the system. If single organization or multiple organizations but not all are selected, then image icon will be surrounded by orange border. If all organizations are selected then image icon will be surrounded by green border.
System Wide permission () allows user of the role to view and set users of the entire system as Reporter for the entities.