> For the complete documentation index, see [llms.txt](https://developer.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.collibra.com/workflows/designing-workflows/processes/shape-repository/timer-boundary-event.md).

# Timer boundary event

The process is delayed until a certain point in time or a specific duration is over.

<img src="/files/0SAQ5rDfvk4UoeTt35GT" alt="" width="25%">

## General properties

| Property            | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Model ID            | The unique identifier of the element within the process model.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Name                | The name of the element displayed in the diagram.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Documentation       | A description and any additional information about this element.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Timer configuration | <p>The configuration of when the timer event fires:</p><ul><li><strong>Cycle</strong>: Use this option for repeating timers.</li><li><strong>Duration</strong>: Use this option if the timer needs to fire a certain period after the event is created.</li><li><strong>Date</strong>: Use this option to set a fixed time for the timer to fire.</li><li><p><strong>Technical</strong>: Use this option to specify any of the above in ISO 8601 format, for example:</p><ul><li><code>2026-03-20</code> for the date March 20, 2026.</li><li><code>P10D</code> for a duration of 10 days.</li><li><p><code>R3/PT10H</code> for three cycles lasting 10 hours each.</p><div data-gb-custom-block data-tag="hint" data-style="info" class="hint hint-info"><p>You can also specify a cycle using cron expressions where the first symbol denotes seconds. For example <code>0 0/5 \* \* \* ?</code> represents every five minutes.</p></div></li></ul></li></ul> |
| Cancel activity     | Whether the activity should be canceled or not.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Job category        | Set a specific job category for the process that this event starts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

## Advanced properties

| Property            | Description                                                                                                                                                                                                                                                                                                                                       |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Execution listeners | <p>Allows you to invoke Java logic after certain events:</p><ul><li><strong>Start</strong>: Executes after the activity has been started.</li><li><strong>End</strong>: Executes after the activity was completed.</li><li><strong>Transition</strong>: When defined on a sequence flow, executes once the flow is transition is taken.</li></ul> |

## Visual properties

| Property         | Description                                         |
| ---------------- | --------------------------------------------------- |
| Font size        | The font size of the element in the diagram.        |
| Font weight      | The font weight of the element in the diagram.      |
| Font style       | The font style of the element in the diagram.       |
| Font color       | The font color of the element in the diagram.       |
| Background color | The background color of the element in the diagram. |
| Border color     | The border color of the element in the diagram.     |


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