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