Named Formulas were recently introduced into Power Apps. They allow you to take complex formulas away from the code in your app and put them in a single place. However, there are some things to keep in mind when using Named Formulas. First, each named formula must end with a semicolon for it to be valid. Second, Named Formulas may not update automatically in certain situations. For example, if a named formula depends on something that changes, like time or a data source, it will not update unless triggered. To trigger an update, you can refresh the data source or update a control on the screen. Named Formulas are updated whenever something in the expression changes, such as a data source refresh, user input, or changes in global variables. Overall, Named Formulas can optimize your app, but it's important to use them correctly and understand their limitations.
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