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Power Platform Community / Forums / Power Automate / Sum of Datatable Column
Power Automate
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Sum of Datatable Column

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Posted on by CU06021049-0
Hi there,
 
I was wondering if anyone has tried the PowerFX Sum function with Datatables to sum a column in the table.
 
Without enabling PowerFX I go through the 'regular' looping method to create a running total or sum, but hoped that with PowerFX we would be able to reference the first column and just use SUM.
 
Any suggestions are appriciated
 
Ta!
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Power Automate Desktop
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  • Suggested answer
    eetuRobo Profile Picture
    eetuRobo 4,484 Super User 2026 Season 1 on at
    To read value from datatable use =ReadCell() function.

    Example: My table


    So I will sum column1 value so like so: 3 +5 +7 +8 = 23
    First Set variable that you will sum the values to and set it to 0. 
    Then use For each loop that takes the data table and in the loop Set variable that uses the Sum (=Sum()) to read int value (Int()) CurrentItem column1 (ReadCell(CurrentItem, 1)) and the sum value to sum to itself.

    function:
    =Sum(Int(ReadCell(CurrentItem, 1)), Column1Summed)

    Like so:


    Or break it into two set variables for readability:

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