# Push notification when (for example) a door has been open for too long

**URL:** <https://community.homey.app/t/push-notification-when-for-example-a-door-has-been-open-for-too-long/43518>\
**Category:** Flows\
**Created:** [February 23, 2021, 9:07am UTC](https://community.homey.app/t/push-notification-when-for-example-a-door-has-been-open-for-too-long/43518 "2021-02-23T09:07:51Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Edwin\_D](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/edwin_d/32/136417_2.png) [@Edwin\_D](https://community.homey.app/u/Edwin_D)\
**Post date:** [February 23, 2021, 10:04am UTC](https://community.homey.app/t/push-notification-when-for-example-a-door-has-been-open-for-too-long/43518/2 "2021-02-23T10:04:58Z")

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As you said you need a delay that can be cancelled. There are many apps that can provide that functionality, my personal favorite is [Chronograph - Adds precise timer, stopwatch and transition functionality to Homey](https://community.homey.app/t/chronograph-adds-precise-timer-stopwatch-and-transition-functionality-to-homey/18214). In the flow that is triggered by the opening of the door you can start a timer. Another flow needs to be triggered by: a timer has ended, that will send the notification. And a third flow will be needed: if the door closes: stop the timer.

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_[View the full topic](https://community.homey.app/t/push-notification-when-for-example-a-door-has-been-open-for-too-long/43518)._