vote

to delete a vote => .vote delete
to get result => .vote result
to get current vote => .vote
to set vote =>

.vote `option/yes` `option/no` `question/Are you 18 year old ?` `button/Click to vote`

to send vote to a different group

.vote `option/yes` `option/no` `question/Are you 18 year old ?` `button/Click to vote` jid(the group actual vote to be)

You can't set multiple votes in a group.