# Process States

A BPM Process has a collection of states and the current state is the last element of the collection. Each change of state in a BPM Process store:

* A Time Stamp.
* The backoffice User that performed the change (if applicable).

State changes are free (with one exception) and can be only performed by a **backoffice** user . Once an **Aborted** state is **confirmed** can **NOT** be **rollbacked**.

The **Aborted** state is equal to **Paused** state until is **confirmed**. When a BPM Process is paused or aborted **no** action/event is performed by the process.

This is a **critical operation** for complex process and must well **analyzed before** it's **execution**. If the Process is **not** in **Running state** then tasks can **not** be performed and events are **ignored**.

![](https://3974112602-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LH4gGgyMb1_fhOg782r%2F-LHEeaoONyar00KMURGo%2F-LHEewytgAfMlEqAR1lt%2Fprocess-states.png?alt=media\&token=fb944503-bc5a-47d3-8043-e668e3ae76d5)

**List of automatic tasks after a BPM Process abortion is confirmed:**

* **Remove all tasks from BpmRunningTasksMatrix**
  * All running tasks are removed from the Task Matrix so user can not take any task of the aborted process.
* **No task is removed from BpmFinishedTasksMatrix**
  * The finished tasks of the aborted process are not removed from Task Matrix.
* **Remove assignments from BpmUsers**
  * If any user has an assignment in the aborted Process then the assignment is removed.
* **Remove timer events from BpmTimerEventMonitor**
  * All timers related to the Process are removed.


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