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Power Platform Community / Forums / Power Automate / List of Files - how do...
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List of Files - how do I reference an Index?

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Posted on by Marco_Cheung 4

Hi all,

 

May I get some help on to locating an index from a list of files please?
I looked up online and used the %Files[0]% expression.

 

It didn't work for me.

I have tried Files.Fullname but all in vein.

 

I think there must be an update on syntax and thus all the previous expressions are invalid.

 

Marco_Cheung_0-1708603053826.png

Marco_Cheung_1-1708603076169.png

Regards,

Marco

Categories:
Power Automate Desktop
I have the same question (0)
  • Verified answer
    Agnius Bartninkas Profile Picture
    Agnius Bartninkas Most Valuable Professional on at

    %Files[0]% would work if you did not have Power Fx enabled on your flow as you created it.

     

    If you want traditional syntax to work and don't need Power Fx, create a new flow and disable the toggle when starting: 

    enabling_power_fx.png

    If you want to keep using Power Fx, the correct syntax to get an item in an array based on an index would be to use the Index() expression.

     

    So, for example, the following expression will return the first file in your list: =Index(Files,1)

     

    Please note that the index in this expression is 1-based as opposed to the traditional indexing in PAD, where you would use a 0-based index. So, the first item is actually at index 1.

     

    See here for more reference on the expression: https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-first-last 

  • Marco_Cheung Profile Picture
    Marco_Cheung 4 on at

    that works, Power FX is confusing as most of the guides available are not Power FX content. Thank you Agnius!

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