struct · iOS 26.4+ · SDK 27.1
struct IntentCancellationReasonReasons for the cancellation of an app intent’s operation. This type contains the possible reasons for the cancellation of an app intent. You don’t create instances of this type yourself. Instead, you receive a value in the cancellation handler you pass to the ``CancellableIntent/withIntentCancellationHandler(operation:onCancel:isolation:)`` method when running your app intent’s code. Use the reason to make decisions about how to respond to the cancellation.
static get userCancelled(): IntentCancellationReasonstatic var userCancelled: IntentCancellationReason { get }An option that indicates someone explicitly canceled the intent. While an app intent’s task runs, system interfaces such as Siri, Live Activities, and Shortcuts can show UI with the current progress. These interfaces also include a way to cancel the task. This option reflects direct cancellation by a person using one of these interfaces.
get debugDescription(): stringvar debugDescription: String { get }A textual representation of this instance, suitable for debugging. Calling this property directly is discouraged. Instead, convert an instance of any type to a string by using the `String(reflecting:)` initializer. This initializer works with any type, and uses the custom `debugDescription` property for types that conform to `CustomDebugStringConvertible`: struct Point: CustomDebugStringConvertible { let x: Int, y: Int var debugDescription: String { return "(\(x), \(y))" } } let p = Point(x: 21, y: 30) let s = String(reflecting: p) print(s) // Prints "(21, 30)" The conversion of `p` to a string in the assignment to `s` uses the `Point` type's `debugDescription` property.
static get timeout(): IntentCancellationReasonstatic var timeout: IntentCancellationReason { get }An option that indicates the app intent exceeded the allowed time limit without reporting progress. When an app intent runs on iOS, iPadOS, tvOS, visionOS, or watchOS, it has a default timeout of around 30 seconds. If the app intent doesn’t report progress during this time, the system can cancel the operation.
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