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Conditional timer event #10463

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Conditional timer event
hugomendix Dec 8, 2025
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Language review
Yiyun333 Dec 8, 2025
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4 changes: 4 additions & 0 deletions ...n/docs/refguide/modeling/application-logic/workflows/workflow-elements/timer.md
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Expand Up @@ -56,6 +56,10 @@ The **Timer** properties are described in the table below:
| Duration | You can set a certain duration for the timer. With the **Continue after** setting, you can indicate the number of seconds, minutes, hours, days, weeks or months the timer's duration is. Possible values for the setting are:<br /><ul><li>Seconds</li><li>Minutes</li><li>Hours</li><li>Days</li><li>Weeks</li><li>Months</li> </ul> |
| Expression | You can set a certain date and time for the timer by writing an expression via the **Continue at** setting.<br><br>For example, you can write `addDays([%CurrentDateTime%], 1)` to set tomorrow as the due date and time. To set a static date and time, you can use the expression `parseDateTimeUTC('2023-12-10T17:12:00.000', 'yyyy-MM-dd''T''HH:mm:ss.SSS')`.<br><br>You can also create a more complex timer. For example, you can set a timer based on a Boolean value (in this example, `isVIPUser`) from the provided workflow context entity: `if $WorkflowContext/isVIPUser then addDays([%CurrentDateTime%], 2) else addWeeks([%CurrentDateTime%], 2])`.<br><br>For more information on available expressions in Mendix, see [Expressions](/refguide/expressions/). |

{{% alert color="info" %}}
When the expression evaluates to `empty` or `null`, no timer is scheduled. If the timer is a standalone activity, execution continues with the next activity. If it is a timer boundary event, the boundary event is skipped.
{{% /alert %}}

### Recurrence Section {#recurrence}

{{% alert color="info" %}}
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