How can I get the parameter from the request in a user-defined API?

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Hi All,

I have a script that sends a PUT request to a user-defined API with an ID parameter to indicate which object I want to change. For example:

api/custom/radio/router/event/update?id=1f837456-4305-4208-b417-6e536986a1a7

However, when I try to retrieve the ID from the user-defined API, I cannot find a way to access it using the ApiTriggerInput object.

I tried using ApiTriggerInput.Parameters and ApiTriggerInput.Route, but neither of them returns the result I want.

Relevant documentation: https://docs.dataminer.services/dataminer/Functions/User-Defined_APIs/Defining_an_API/UD_APIs_Examples.html?q=ApiTriggerInput

Is there a way to retrieve the parameter from the request in a user-defined API?

Thanks!

Jason Wan [SLC] [DevOps Advocate] Selected answer as best 2nd September 2025

1 Answer

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Hi Jason,

You can access this like so:

requestData.QueryParameters.TryGetValue("id" /*your param name*/, out string paramValue);

Jason Wan [SLC] [DevOps Advocate] Selected answer as best 2nd September 2025
Jason Wan [SLC] [DevOps Advocate] commented

Hi Ive,
It works. Thank you so much!