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