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Deleting custom property values with alerts.

Wanted to see if anyone could help me out with this. I work in a large enterprise and my NOC technicians would love me if I can come up with a solution for this.

This is a two part question.

First question should be simple:

I want to create an alert that does the following:

When a node has been up for over 24 hours, delete everything in the custom property field "Comments".

What value or variable do I use for the Trigger Action to clear/delete the custom property field's text? Meaning custom property "Comments" Text box should be set to blank.

Second Part of Question:

After I get this alert to work on NPM 12 on my home lab, I want to replicate it on a different version of NPM.

NPM 10.6 does not have the built in capability to alert and change values in custom properties.

Is there a way I can create a custom Trigger Condition in this version of NPM?

Regards,

And thanks for taking your time to answer my question!

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Accepted answers

All comments

cmr84

I've managed to solve the first question. Its actually a no brainer and I was making it more complicated than it had to be.

You just have to leave the field in the comment for the trigger blank and it clears the field.

Still no word on how to implement this in 10.7 with a custom Trigger though.

jkrenzien

I don't have a 10.7 environment to test with and my memory of it is vague. I want to confirm that it lets you run a script, custom sql or anything of the sort?

blanczak

Yes in 10.7 you've got execute script, program, etc. Attached an image for reference:

jkrenzien

In that case I would use a script based on PowerShell script to modify a NODE Custom Property via Rest API/JSON if 10.7 supports it, otherwise a a script will make the sql queries for you based on the inputs. I am not very good at scripting yet so the best I could help with there is just some Google-Fu. The sql queiry itself shouldn't be too hard once you have the node ID from the alert. Let me know if you need further help or get stuck on something.