providerIdentifier
An identifier shared by this Document Picker extension and its corresponding File Provider extension. (read-only)
Declaration
var providerIdentifier: String { get }Discussion
Both the Document Picker View Controller extension and the File Provider extension should pass this identifier to their file coordinator’s setPurposeIdentifier: method. This approach helps coordinate the read and write operations between the two extensions, preventing possible deadlocks.
This property holds the value returned by calling the File Provider extension’s providerIdentifier method.