# Using components custom property for alarms

**URL:** <https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [October 15, 2024, 1:45pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255 "2024-10-15T13:45:56Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Myasrama](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/myasrama/32/63822_2.png) [@Myasrama](https://forum.inductiveautomation.com/u/Myasrama)\
**Post date:** [October 15, 2024, 1:45pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255/1 "2024-10-15T13:45:56Z")

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Hello

I have a chart component with a custom property, I would like to use an alarm with email notification to detect when this value has reached a certain range. I would like to do this without the use of tags.

I was thinking of using the notification pipeline and calling the path of the custom property. Using logic to tell if its in range.

Is this possible?

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [October 15, 2024, 2:23pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255/2 "2024-10-15T14:23:32Z")

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No, alarms can only be attached to gateway tags. Use tags.

Or use Ignition's scripted email capabilities to set up your own infrastructure.

(Why can you **not** use tags? What are your underlying requirements?)

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**Author:** ![Myasrama](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/myasrama/32/63822_2.png) [@Myasrama](https://forum.inductiveautomation.com/u/Myasrama)\
**Post date:** [October 15, 2024, 2:56pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255/3 "2024-10-15T14:56:54Z")

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I found the solution you mentioned which I think is this

> **[system.net.sendEmail | Ignition User Manual](https://www.docs.inductiveautomation.com/docs/8.1/appendix/scripting-functions/system-net/system-net-sendEmail)**
>
> Sends an email through the given SMTP server.

It works well.

So my requirements are not to use tags because, its my understanding they exist in on the gateway level and I would like my tag and data not to be visible. So I use custom properties within a view to store my data.

I may be misinformed, correct me if I'm wrong.

Thank You

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<div class="post-metadata">

**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [October 15, 2024, 3:03pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255/4 "2024-10-15T15:03:01Z")

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> [@Myasrama](#):
>
> exist in on the gateway level

Correct.

> [@Myasrama](#):
>
> would like my tag and data not to be visible

Why? And note that anything **not** in the gateway scope **ceases to exist** when clients are closed. Any functionality that you want to work when no-one is logged in **must** be in the gateway.

(Also be aware that perspective sessions **and their data** are entirely accessible from gateway scope by other sessions if programmed to do so. If you have a **security** or **privacy** need for this, you've failed.)

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<div class="post-metadata">

**Author:** ![lrose](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lrose/32/62724_2.png) [@lrose](https://forum.inductiveautomation.com/u/lrose)\
**Post date:** [October 15, 2024, 3:06pm UTC](https://forum.inductiveautomation.com/t/using-components-custom-property-for-alarms/97255/5 "2024-10-15T15:06:17Z")

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> [@Myasrama](#):
>
> I would like my tag and data not to be visible

Not be visible to who?