# Read Custom Property in an Alarm (with "." on its name)

**URL:** <https://forum.inductiveautomation.com/t/read-custom-property-in-an-alarm-with-on-its-name/113456>\
**Category:** Ignition\
**Tags:** ignition83\
**Created:** [January 21, 2026, 5:24pm UTC](https://forum.inductiveautomation.com/t/read-custom-property-in-an-alarm-with-on-its-name/113456 "2026-01-21T17:24:17Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![jespinmartin1](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jespinmartin1/32/57175_2.png) [@jespinmartin1](https://forum.inductiveautomation.com/u/jespinmartin1)\
**Post date:** [January 21, 2026, 5:24pm UTC](https://forum.inductiveautomation.com/t/read-custom-property-in-an-alarm-with-on-its-name/113456/1 "2026-01-21T17:24:17Z")

</div>

How to Read Custom Property in an Alarm (with "." on its name). I getting:

```python
ValueError: Invalid path element '[default]FOLDER/TAG/Alarms/A.RANGE.assetPath': Token PROPERTY_SEPARATOR found after property name.

```

when using system.tag.readBlocking()

---

<div class="post-metadata">

**Author:** ![dkhayes117](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/dkhayes117/32/68344_2.png) [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\
**Post date:** [January 21, 2026, 5:40pm UTC](https://forum.inductiveautomation.com/t/read-custom-property-in-an-alarm-with-on-its-name/113456/2 "2026-01-21T17:40:20Z")

</div>

[Full stops in tagnames - Ignition - Inductive Automation Forum](https://forum.inductiveautomation.com/t/full-stops-in-tagnames/49253)