the initial state for this action, given in [GVariant text format][gvariant-text]. The state is parsed with no extra type information, so type tags must be added to the string if they are necessary. Stateless actions should give NULL here.
the initial state for this action, given in [GVariant text format][gvariant-text]. The state is parsed with no extra type information, so type tags must be added to the string if they are necessary. Stateless actions should give NULL here.