# Heimdall log line

**URL:** https://community.homey.app/t/heimdall-log-line/34567
**Category:** Apps
**Created:** [September 10, 2020, 8:35pm UTC](https://community.homey.app/t/heimdall-log-line/34567 "2020-09-10T20:35:33Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Wim\_van\_Bezouw](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/wim_van_bezouw/32/76286_2.png) [@Wim\_van\_Bezouw](https://community.homey.app/u/Wim_van_Bezouw)
#### Post date: [September 10, 2020, 8:35pm UTC](https://community.homey.app/t/heimdall-log-line/34567/1 "2020-09-10T20:35:33Z")

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Hi guys,

I have a Homey Pro with Heimdall installed. I have a few Aeotec door sensors and some motion sensors. I have the Aeotec Sirene 6 and a RFID keypad with tags to enable and disable the alarm.

Surveillance mode is set to Armed with the press of a button on the keypad.

Surveillance mode is set to Disarmed with the tag held to the keypad.

When I come in the alarm is triggered by the door sensor.

My question is, what does the log line “undefined in undefined triggered alarm” mean? See the top red arrow on the screenshot.

 ![Homey Heimdall 1](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/b/6/b69a1833cf9f8896b60b756839770c662e34b5f0.jpeg)

I added a screenshot of the flow “Front door contact” too.

 ![Homey Heimdall 2](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/1/f128cf5d53aef580e26e5bbf7fe4db2645c854b3.jpeg)

Thanks in advance!

Wim