diagnosisKeysAvailableHandler
The handler that receives available diagnosis keys after a successful preauthorization.
Declaration
var diagnosisKeysAvailableHandler: ENDiagnosisKeysAvailableHandler? { get set }Discussion
Set this property before calling requestPreAuthorizedDiagnosisKeys(completionHandler:) to ensure ENManager can deliver the keys. Authorization expires after five days or the first time this method is called after authorization, whichever comes first.