...
Requestor: The initiator for an app. E.g. in an issue app, the requestor can be a customer or another employee. You can define templates for emails sent to a requestor of an app item
Triggers: Celoxis provides a way to perform actions based on email triggers from the requestor.
State Managers: State managers are users who are responsible when an app is in a particular state. They receive notifications (if enabled) for delayed items, etc.
Timeout Policies: Timeout policies help you define rules on what should happen if an app remains in a state for a given time. For example, In a bug tracking app, if the bug remains in the "In Verification" state for 24 hours then it may be required to notify the state manager.
Security: With each custom app, you can define roles, assign permissions and specify users who can play those roles.