Testing Tool (XDS Toolkit) initiates a synchronous Retrieve Documents request for two documents to the System. System responds with the requested documents. 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 transmits to the System a synchronous Retrieve Documents request for one document using the following required parameters: