This section describes the technical design of the SAP Readiness Validator, the API testing application developed in TIBCO BusinessWorks, and provided with the Windchill Enterprise Systems Integration EAI Windchill Simulation module (ESISimulationWindchillRepository_vxxx.dat). The SAP Readiness Validator is used during Step 6 of the SAP Readiness Validation Process. Refer to the section entitled, "Step 6: Validate API Molecular Functionality Outside SAP," for a thorough introduction to the SAP Readiness Validator.