Onyx IX CSS works online that are linked to the ONYX IX system. It helps the ONYX IX system customer to connect their customers and clients so that it provides customers with the ability to review their data, register requests, review requests, quotations, sales invoices for the clients account, review the account statement, and make matching of balances and allows the client to communicate With the company that operates on the Onyx system through the text messaging service available in the application