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Power Platform Community / Forums / Power Automate / Flow failed to run
Power Automate
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Flow failed to run

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Posted on by CU21012031-0
The execution of template action 'Apply_to_each' failed: the result of the evaluation of 'foreach' expression '@triggerBody()?['Network']?['Value']' is of type 'String'. The result must be a valid array.
Categories:
Building flows
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  • Suggested answer
    rzaneti Profile Picture
    rzaneti 4,476 Super User 2026 Season 1 on at
     
    According to the error message, the property Network/Value is a string (text value). In an Apply to each, you can only pass arrays (lists of elements) as inputs. So this is a data type issue - please double check if the Network/Value is the actual input that you wanted to provide to the loop.
     
    For further learning about it, refer to these blogs:
    - Using loops and accessing array elements in Power Automate: https://digitalmill.net/2023/07/12/using-loops-and-accessing-array-elements-in-power-automate/
     
     
    Also, feel free to share more details about what you're trying to achieve, maybe including some images of your current flow design.
     
    Let me know if it works for you or if you need any additional help!
     
    ✅ If this solved your issue, please mark it as Accepted Answer.
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  • eliotcole Profile Picture
    eliotcole 4,390 Moderator on at
    Hi, @CU21012031-0, if you could embed (not attach, as many users cannot access attachments) one or two images of your flow that would really assist ... you can blank out anything sensitive 🙂 :
    1. Design - An image of your flow in the design screen showing at least the trigger and the action (use the 'pin' function on one) ... what is key for us to understand is how your flow is triggered, here, so that we can assuredly address this 'array' issue
    2. Run + Error - The run screen where you see the error, with the error action pinned and the trigger also open
    Finally, you can POSSIBLY work around this by detecting whether the value is a string or not ... but ... it will not be perfect, and may take a hot second for any one of us to plot that out for you in an expression.

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