execute is called, the IXPDictionary is enumerated and XPConvert.ToString is called on each key and value. These string keys and values are logged in the search server log file in the form <key>value</key>. The key must be a single alphanumeric token conforming to [A-Za-z][A-Za-z0-9_]*. IPTSQueryRequest Interface | com.plumtree.server.search Namespace