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Power Automate - Building Flows
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How to run a child flow? I have read and checked the requisite steps but still getting an error

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Posted on by 189
  1. Both my parent and child flows are part of a solution.
  2. My child flow has a "respond to a powerapp or flow" action (although I'm not entirely clear what to put in it).
  3. I have changed my child flow's run-only users to use a defined connection instead of the default run-only user.
  4. My child flow is currently set up to also function as its own standalone flow. It does not use a "when a HTTP request is received" trigger. It uses its own manual triger with user inputs (2 date fields, as you'll see below in the first screenshot).
  5. My child flow does not actually need to pass any information back to the parent flow. They just need to run one after another.

 

My parent flow calls the child flow as its very last step, like so:

Clipboarder.2020.06.09-003.png

 

My child flow has the response action as its very last step, like so:

Clipboarder.2020.06.09.png

 

And here is my child flow's run user connections:

Clipboarder.2020.06.09-004.png

 

The error I am still getting:

 

 

 

The workflow with id 'f1959090-aba4-ea11-a812-000d3a6aaf70', name Export Resident cannot be used as a child workflow because it is missing a response action.

 

 

 

 

What else should I do? Am I supposed to edit my parent flow to somehow receive and validate the response sent by my child flow? How do I do that? Is there an action for that?

I just want two flows to run one after another, so that my users are only required to click one button and not two. Is this absolutely most basic requirement of running a flow from another flow somehow not supported by "run a child flow"? Does it have to be complicated by adding responses and HTTP/JSON whatevers to the recipe?

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  • Verified answer
    Lexicon_ Profile Picture
    189 on at
    Re: How to run a child flow? I have read and checked the requisite steps but still getting an error

    I solved my problem.

     

    In my child flow, I used the Response action under the Request connection:

    Clipboarder.2020.06.09-005.png

     

    And this is my very basic Response action:

    Clipboarder.2020.06.09-006.png

  • axskifree Profile Picture
    79 on at
    Re: How to run a child flow? I have read and checked the requisite steps but still getting an error

    Thank you so much for this. I was facing a similar issue and your solution resolved it. Figured I'd chime in three years later to confirm it still works. In my case I was trying to just use the "create a child flow" action without realizing that I needed to add a response to the bottom of the child flow I was calling to make the "create a child flow" action happy on the parent.

     

    My error message was: "Update the child flow for action 'Run_a_Child_Flow' to end with a response action."

    Thanks again!

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