D-Bus-examples.md

@@ -11,12 +11,23 @@ iface = dbus.Interface(upower, 'org.freedesktop.DBus.Introspectable')
 iface.Introspect()
 ```
 
-This includes an interface called `org.freedesktop.UPower`. Call a method on this interface via the same object:
+You can also use the `gdbus` tool to inspect the object:
+``` bash
+gdbus introspect --system --dest org.freedesktop.UPower --object-path /org/freedesktop/UPower
+```
+
+The UPower object includes an interface called `org.freedesktop.UPower`. Call a method on this interface via the same object:
 ``` python
 iface = dbus.Interface(upower, 'org.freedesktop.UPower')
 iface.EnumerateDevices()
 ```
 
+This is how you call the same method using `gdbus`:
+
+``` bash
+gdbus call --system --dest org.freedesktop.UPower --object-path /org/freedesktop/UPower --method org.freedesktop.UPower.EnumerateDevices
+```
+
 ## References
 
 * https://dbus.freedesktop.org/doc/dbus-python/tutorial.html