Write Your First CUSTOM M FUNCTION in Power BI

In this video I show how to write your own custom M FUNCTIONS in Power BI. It will enable you to do work more efficiently in the query editor (Power Query).

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⏱️ TIMESTAMPS ⏱️
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0:00​ Intro
1:08 Write your first custom M Function
2:35 Different ways to invoke a function
3:46 Assigning a data type to the input parameters
4:43 Adding multiple input parameters and transformations
7:48 Understanding how Power Query executes M Functions
9:14 Are M Functions really necessary?
11:12​ End

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