Returns a list of all units in a Group.

all of group (text, the name of the group)
returns an applescript list of unit names.

with extract (returns instead a list of Unit Extract Records)

set MyGroupMembers to all of group "the group"
 
write log "The Group has " & (count of items of MyGroupMembers) & " units in it and they are:"
 
repeat with ThisUnitName in MyGroupMembers
  write log ThisUnitName
end repeat