Variables in Power apps

Types of variables

Power Apps has three types of variables:

Variables typeScopeDescriptionFunctions that establish
Global variablesAppSimplest to use. Holds a number, text string, Boolean, record, table, etc. that can be referenced from anywhere in the app.Set
Context variablesScreenGreat for passing values to a screen, much like parameters to a procedure in other languages. Can be referenced from only one screen.UpdateContext
Navigate
CollectionsAppHolds a table that can be referenced from anywhere in the app. Allows the contents of the table to be modified rather than being set as a whole. Can be saved to the local device for later use.Collect
ClearCollect

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