- {-t,--type=}'[List only units of a particular type]:unit type:(automount device mount path service snapshot socket swap target timer)' \
- '--state=[Display units in the specifyied state]:unit state:(loaded failed active inactive not-found listening running waiting plugged mounted exited dead masked)' \
- \*{-p,--property=}'[Show only properties by specific name]:unit property' \
+ {-t+,--type=}'[List only units of a particular type]:unit type:_unit_types' \
+ '--state=[Display units in the specifyied state]:unit state:_unit_states' \
+ \*{-p+,--property=}'[Show only properties by specific name]:unit property' \