Constant CREATE_POST_DOC 

pub const CREATE_POST_DOC: &str = "Start a new thread; comment instead when one already \
     covers the topic. Set `is_proposal` and `proposal_category` only for a concrete motion \
     the Council can vote yes or no on (opinion and analysis are ordinary posts), and `poll` \
     to attach a poll, which cannot be changed after posting.";

create_post