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Power Platform Community / Forums / Power Apps / Added a new column (lo...
Power Apps
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Added a new column (lookup), but it doesn't show up in the dataflow mapping step

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I have added a new column called "Owner" in the table, see below,

LiLiBeca_0-1615524936544.png

but when I try to update the dataflow to map that new column, it's not showing up, see below,

LiLiBeca_0-1615525158634.png

Anyone knows why? Thanks in advance.

 

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  • Verified answer
    Fubar Profile Picture
    8,354 Super User 2025 Season 2 on at

    You probably need to set a Key (alternate key) without one the lookup fields do not show up in the mapping. The following link has a bit of description etc.

    https://dynamicscitizendeveloper.com/2020/04/21/how-to-map-a-lookup-field-in-a-power-platform-dataflow/

  • Verified answer
    EricRegnier Profile Picture
    8,720 Most Valuable Professional on at

    Hi @Anonymous,

    To clarify, unfortunately it's not supported to map Owner type of columns/fields with Dataflows even when alt keys are defined on the User table (@Fubar FYI). You'll need to create a new custom Lookup pointing to User (systemuser) table and then your Dataflow will auto detect it. Here's an example:

    EricRegnier_0-1615619165798.png

    If you really want to then set the Owner, have a Power Automate flow that triggers when the custom User lookup is updated to set the Owner column. If you absolutely need that in sync/real-time, you can use a classic workflow.

    Hope this helps!

  • Community Power Platform Member Profile Picture
    on at

    Yes, after the key set up in the owner table, it works now. Thanks!

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