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Frequent Visitor

Extracting parameters from URL


I have created a default request step to save a file to box. Everything is working as expected but I am unable to pass a  parameter for the file name. Can someone point me in the right direction? I have tried using triggerOutputs()['queries'] 

But I receive error: Expected 'key-body-output', 'key-headers-output', 'key-outputs-output', 'key-name-output', 'key-properties-output' or 'key-statuscode-output', actual 'key-queries-output'


Power Automate
Power Automate



Did you try "Path Parameters" in the dynamic schema from the "Request" trigger? 




Frequent Visitor


Thanks for your response. I did try adding relative path parameters and received this message:

InvalidTemplate: Unable to process template language expressions in action 'Compose' inputs at line '1' and column '1453': 'The template language expresion 'triggerOutputs()['relativePathParameters']' cannot be evaluated because the property 'relativePathParameters' doesnt exist, available properties are 'headers, body'.




Are you trying to get query parameters from the Request trigger url? Or is there a previous step from which you're expecting them?

Frequent Visitor

The request trigger URL. Thanks!

I am trying to do the exact same thing. Did you come to a resolution? I ended up getting stuck.

Frequent Visitor

Advocate III
Advocate III

Just as @phil4mat  has said, this should help: 


Here is the expression: @triggerOutputs()['queries']['queryParamName']


queryParamName is the name of the name-value pair of your query


Hope it helps.

get query parameters in power automate.PNG


This article could throw more light. LogicApp–HttpRequest trigger: retrieving query parameters 


Please mark as answer if this answers your question.

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