The phrase identified by Siri.
- iOS 10.0+
- macOS 10.12+
- watchOS 3.2+
Typically, this phrase corresponds to a custom term defined in the
App file of your Intents extension, but it may also be a custom phrase spoken by the user. In both cases, it represents a term that you must resolve as part of handling an intent. For example, it might contain a workout name that you must resolve.