> 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/start-event.md).

# Start event

This is an untyped start event. You would use this event when there are no pre-conditions for the process.

<img src="/files/qlxBPYSJMLooR31saMRL" 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. |

### Form properties

| Property             | Description                                                   |
| -------------------- | ------------------------------------------------------------- |
| Start form reference | A link to a form that becomes the start form or the workflow. |

## Advanced form properties

| Property        | Description                                                                    |
| --------------- | ------------------------------------------------------------------------------ |
| Form properties | Custom form properties which are used within the legacy or custom form engine. |

## Advanced properties

| Property                                                                                              | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| ----------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Asynchronous](/workflows/designing-workflows/processes/process-execution.md#asynchronous-activities) | <p>Whether the activity starts as an asynchronous job, placing a transaction boundary before the activity:</p><ul><li><strong>No</strong> (default): Synchronous.</li><li><strong>Yes, exclusive</strong>: Asynchronous and with no other exclusive asynchronous jobs in the same process run at the same time.</li><li><strong>Yes, non-exclusive</strong>: Asynchronous and can run concurrently with other asynchronous jobs in the same process.</li></ul>                                                |
| Leave asynchronously                                                                                  | <p>Whether the activity leaves as an asynchronous job after it completes, placing a transaction boundary before the process advances to the next element:</p><ul><li><strong>No</strong> (default): Synchronous.</li><li><strong>Yes, exclusive</strong>: Asynchronous and with no other exclusive asynchronous jobs in the same process run at the same time.</li><li><strong>Yes, non-exclusive</strong>: Asynchronous and can run concurrently with other asynchronous jobs in the same process.</li></ul> |
| Initiator variable                                                                                    | The variable that represents the default user who initiated the process.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 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.     |