Input string parameter in Power BI

Hi rizwanmalik -In Power BI, you can create a parameter that takes a string input from the end user and pass it to a stored procedure using a combination of Power Query and dynamic M code

Go to Home > Transform data to open the Power Query Editor.
In the Power Query Editor, go to Manage Parameters > New Parameter.
Name your parameter (e.g., UserInput), set the data type to Text, and set the default value if desired.
Click OK.

Ref:

Parameters - Power Query | Microsoft Learn

Power Query and Stored Procedures with Parameters | Reeves Smith's SQL & BI Blog (wordpress.com)

Hope it helps

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