add example
diff --git a/example/call820405.py b/example/call820405.py
new file mode 100644
index 0000000..ded4b45
--- /dev/null
+++ b/example/call820405.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8
+
+from supwisdom.protocol import nettrans, webservice
+
+URL = "http://192.168.1.200:8080/yktapi/services"
+appid = "100010"
+appsecret = "5ddca8fb0e2b46858cf6b257c00acd69"
+termid = 54321
+
+
+def test():
+    session = webservice.SWWebserviceSession(URL, appid, appsecret, termid)
+    if not session.auth():
+        return
+
+    writer = nettrans.message_writer()
+    writer.attr("funcno", 820405)
+    writer.row("paraid", 12)
+    writer.add_row()
+
+    handler = webservice.SWRequest(session)
+    reader = nettrans.message_reader()
+    if not handler.request(writer, reader, 10):
+        print handler.err_msg
+        return
+    if reader.attr("retcode") != 0:
+        print reader.attr("retmsg")
+        return
+
+    if reader.has_more_row():
+        reader.next_row()
+        print "Value is : ", reader.col("paraval")
+
+
+test()