Contents

loadFromPreferences(completionHandler:)

Load the filter configuration from the Network Extension preferences.

Declaration

func loadFromPreferences(completionHandler: @escaping  @Sendable ((any Error)?) -> Void)
func loadFromPreferences() async throws

Parameters

  • completionHandler:

    A block that takes an Nserror object. This block will be executed on the caller’s main thread after the load operation is complete. If the configuration does not exist in the Network Extension preferences or is loaded successfully, the error parameter will be nil. If an error occurred while loading the configuration, the error parameter will be set to an NSError object containing details about the error. See NEFilterManagerError for a list of possible errors.

Discussion

You must call this method at least once before calling saveToPreferencesWithCompletionHandler: for the first time after your app launches.

See Also

Managing the filter configuration