Responding Gateway responds to a basic Query Document query Testing Tool (XDS toolkit) initiates QD synchronous Find Documents request to the System with the required parameters. System responds with the matching documents metadata. If your system is an ATNA Secure Node/Secure Application, configure it to send audit messages to the Syslog Collector: https://validation.sequoiaproject.org/gss/syslog/list.seam The Testing Tool sends a synchronous Find Documents Request to the System, using the following required parameters: The System successfully processes the Request and returns a Response to the Testing Tool that contains one Stable document with Assertions test the following: