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