readAttributeSessionDuration(completion:)
Declaration
func readAttributeSessionDuration(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeSessionDuration() async throws -> NSNumberfunc readAttributeSessionDuration(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeSessionDuration() async throws -> NSNumber