presentedItemDidChangeUbiquityAttributes(_:)
Tells your object that the file or file package’s ubiquity attributes have changed.
Declaration
optional func presentedItemDidChangeUbiquityAttributes(_ attributes: Set<URLResourceKey>)Parameters
- attributes:
The set of ubiquity attributes that have changed. For information about valid ubiquity attributes, see the Observedpresenteditemubiquityattributes property.
Discussion
To specify the ubiquity attributes that trigger notifications, implement your file provider’s observedPresentedItemUbiquityAttributes property. If you do not implement this property, the system sends notifications when any ubiquity attribute changes.