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AppIntent with flexible return types
To support AppIntent in our app, we plan to follow the same approach as the “Get Details of Reminders” Shortcut Action in the Reminders app, as recommended in this WWDC session (https://developer.apple.com/wwdc24/10176?time=166). The goal is to allow querying all properties of an entity—referred to as “Node” in our app—using a single, configurable intent. For instance, we want one intent that can query properties like “Title,” “Background Color,” and “Font Name” for a specific node. However, since the returned properties have varying data types, this setup requires flexible return types in the perform implementation of our “Get Details” intent. The challenge is that the AppIntent protocol mandates the use ReturnsValue one associated type as the result of perform. For example, we can use ReturnsValue<String> to retrieve the “Title” property, but this would restrict us from using ReturnsValue<Color> for the “Background Color” property. What’s the best approach for implementing an Intent where the return types vary based on the input parameters provided?
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Sep ’24