About This Guide {#applepay-about-guide} ======================================== This section describes the audience and purpose of this guide and the conventions used in this guide. Audience and Purpose -------------------- This document is written for merchants who want to use Apple Pay in an iOS application and use information from Apple to process payments through `Cybersource`. This document provides an overview for integrating Apple and `Cybersource` services into an order management system. Conventions ----------- The following special statement is used in this document: > IMPORTANT > An *Important* statement contains information essential to successfully completing a task or learning a concept. Customer Support ---------------- For support information about any service, visit the Support Center: