diff --git a/examples/smoketest/listproperties.js b/examples/smoketest/listproperties.js
new file mode 100644
index 0000000..4aa3b41
--- /dev/null
+++ b/examples/smoketest/listproperties.js
@@ -0,0 +1,9 @@
+var x11 = require('../../lib/x11');
+
+x11.createClient(function(display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    X.ListProperties(root, function(err, atoms) { console.log(atoms); });
+    //X.on('event', console.log);
+    //X.on('error', console.error);
+});
diff --git a/lib/x11/corereqs.js b/lib/x11/corereqs.js
index 5dd5d05..c0a1630 100644
--- a/lib/x11/corereqs.js
+++ b/lib/x11/corereqs.js
@@ -316,6 +316,27 @@ module.exports = {
        }
    ],
 
+   ListProperties: [ 
+      
+       function(wid) 
+       {
+          return ['CxSL', [21, 2, wid]];
+       },
+
+       function(buf) {
+          console.log(buf);
+          var n = buf.unpack('S')[0];
+          console.log(n);
+          var i;
+          var atoms = [];
+          for(i=0; i < n; ++i) {
+             atoms.push(buf.unpack('L', 24+4*i));
+             //console.log([n, i, atoms]);
+          }
+          return atoms;
+       }
+   ],
+
    SendEvent: [
 
        function(destination, propagate, eventMask, eventRawData)