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.