The type of the get_property function in #GDBusInterfaceVTable.
get_property
A #GDBusConnection.
The unique bus name of the remote caller.
The object path that the method was invoked on.
The D-Bus interface name for the property.
The name of the property to get the value of.
Return location for error.
The type of the
get_property
function in #GDBusInterfaceVTable.