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