Update example_module.py

Signed-off-by: mpgn <5891788+mpgn@users.noreply.github.com>

Author: mpgn

nxc/modules/example_module.py

@@ -49,3 +49,8 @@ def on_admin_login(self, context, connection):
         This gets called on each authenticated connection with  Administrative privileges
         """
 
+    def on_shutdown(self, context, connection):
+        """Optional.
+        Do something on shutdown
+        """
+