readAttributeLongCharString(completionHandler:)
Declaration
func readAttributeLongCharString(completionHandler: @escaping @Sendable (String?, (any Error)?) -> Void)func readAttributeLongCharString() async throws -> Stringfunc readAttributeLongCharString(completionHandler: @escaping @Sendable (String?, (any Error)?) -> Void)func readAttributeLongCharString() async throws -> String