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    Function previews in Power BI custom data connectors

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    Petr Broz's profile image

    Petr Broz on 11 Nov 2024 12:53:03

    Currently, when building custom data connectors for Power BI, functions inside "navigation tables" behave like so:

    • If the function accepts no parameters, Power BI says "No parameter values specified".
    • If the function does accept parameters, Power BI says "Parameter value not specified".


    It would be nice if instead:

    • If the function accepts no parameters, Power BI shows the results of calling the function.
    • If the function does accept parameters, Power BI shows custom UI to input these values, just like it does for the top-level function


    Comments (1)
    Petr Broz's profile image Profile Picture

    Petr Broz on 11 Nov 2024 12:53:53

    RE: Function previews in Power BI custom data connectors

    For more details on the current behavior, incl. screenshots, and a basic Power Query implementation, please see https://community.fabric.microsoft.com/t5/Developer/Functions-in-Navigation-Tables-for-Power-BI-Custom-Connector/m-p/4278119/highlight/true#M58227.