[ NoAccessorMethod ]
public string identifier { owned get; construct; }
Identifies this agent; only one agent in each user session may use the same identifier.
Identifier formatting follows the same rules as D-Bus bus names with the exception that the ':' character is not allowed. The valid set of characters is "[A-Z][a-z][0-9]_-." and the identifier is limited in length to 255 characters with a minimum of 3 characters. An example valid identifier is 'org.gnome.nm-applet' (without quotes).