Both are task-related properties, but they serve different purposes and are often confused in interviews.

tp!assignee

What it means

1. The user or group responsible for completing the task.
2. This is who the task is assigned to.

Key Points

1. Appears in Tempo / Task Inbox
2. Can be:
3. A user
4. A group
5. Can be reassigned
6. Determines who can claim and complete the task

Example

tp!owner

What it means

1. The original owner (creator) of the task.
2. Usually the user or process that created the task.

Key Points

1. Used mainly for tracking and auditing
2. Does NOT control task access
3. Does not change when the task is reassigned
4. Often a service account for system-generated tasks

tp!assignee means who has accepted a task or who it is assigned to, tp!owner means who completed this task)