🔑User-defined functions in Excel Power Apps allow for code reuse and improved performance.
🔑User-defined functions can take multiple parameters, providing flexibility and customization.
🔑Prefixing user-defined functions with 'FX' helps identify and differentiate them from built-in functions.
🔑User-defined functions can be accessed and used in various parts of an application, improving development efficiency.
🔑User-defined functions are especially useful when repetitive logic or calculations are required.