Instance Property


The activity type with which the user activity object was created.


var activityType: String { get }


This property is set at initialization time and cannot be changed later. Typically, you specify activity type strings using a reverse-DNS format that uniquely identifies the activity.

See Also

Accessing Activity Information

var title: String?

An optional, user-visible title for this activity, such as a document name or web page title.

var requiredUserInfoKeys: Set<String>?

A set of keys that represent the minimal information about the activity that should be stored for later restoration.

var userInfo: [AnyHashable : Any]?

A dictionary containing app-specific state information needed to continue an activity on another device.

func addUserInfoEntries(from: [AnyHashable : Any])

Adds the contents of the specified dictionary to the user info dictionary.

var needsSave: Bool

Indicates that the state of the activity needs to be updated.

var contentAttributeSet: CSSearchableItemAttributeSet?

A set of properties that describe the activity.

var keywords: Set<String>

A set of localized keywords that can help users find the activity in search results.

var persistentIdentifier: NSUserActivityPersistentIdentifier?

A value used to identify the user activity.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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