dbus-get-all-properties
dbus-get-all-properties is a compiled Lisp function in `dbus.el
'.
(dbus-get-all-properties BUS SERVICE PATH INTERFACE)
Return all properties of INTERFACE at BUS, SERVICE, PATH.
The result is a list of entries. Every entry is a cons of the
name of the property, and its value. If there are no properties,
`nil' is returned.