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