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