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