Appendices A-E in this chapter provide some generic information on Simplify transaction flow, communications, and message flow.
Appendix F describes Simplify-controlled field definitions.
Appendix G provides notes on Usage.
Appendix H provides a revision history for this document on the Elavon Developer Portal.
Appendix I (if present) is an Addendum containing some material added since the initial Developer Portal release for this version of Simplify.