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Repository API : Element property filter

Solved113 views13th November 2025Adhoc data source Element Property Repository API for Alarms
1
Wale Oguntoyinbo [SLC] [DevOps Advocate]3.88K 10th November 2025 0 Comments

Dojo,

I am fetching alarms using the Repository API for an ad hoc data source. How can I build a filter that includes element or service property of alarms ? Any code snippet will be helpful.

Wale Oguntoyinbo [SLC] [DevOps Advocate] Selected answer as best 13th November 2025

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Sebastiaan Dumoulein [SLC] [DevOps Enabler]14.29K Posted 11th November 2025 1 Comment

Hi Wale,

This approach uses AlarmExposers to build FilterElements for applying filters.

I noticed there are extra exposers for the properties, but they return the values as a list. Because of that, I’m not sure you can filter by a specific property and value. What you can do is filter all property values at once.

For example:

AlarmExposers.PropertyValues.Equal("Gold")

This will return any alarm with at least one property value set to Gold, regardless of which property it is.

Alternatively, there is another set of alarm exposers called AlarmEventMessageExposers which expose the properties as a dictionary.

AlarmEventMessageExposers.PropertiesDict.DictStringField("Class").Equal("Gold");

I'm not sure if both type of exposers can be combined though.

Wale Oguntoyinbo [SLC] [DevOps Advocate] Selected answer as best 13th November 2025
Wale Oguntoyinbo [SLC] [DevOps Advocate] commented 13th November 2025

Thanks for the detailed explanation Sebastiaan.

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