13. Invoke Custom Function In Power Query | Invoke Custom | How to create Invoke Custom Function

"Invoke Custom Function" in Power Query is a feature that allows you to call and use custom functions within your Power Query transformation process. It is important because it adds a significant level of flexibility and extensibility to your data transformation tasks. Here's a closer look at what "Invoke Custom Function" is and why it is essential:

Flexibility:
"Invoke Custom Function" allows you to leverage the power of your custom functions at various stages of your data transformation process. This flexibility enables you to apply custom logic precisely where it's needed.
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Separation of Concerns:

It helps you separate different aspects of your data transformation pipeline, making your code more organized and easier to understand. You can have separate functions for data cleansing, calculations, and more.
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Extensibility:

As your data transformation needs evolve, you can extend your custom functions or create new ones without having to modify existing queries extensively. This promotes scalability and adaptability.
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Maintainability:

By encapsulating specific transformation logic in custom functions, you make your code more maintainable. If a change is needed, you can update the custom function in one place, and it will propagate to all queries that use it.

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