search for: contactstates

...tstate with extra fields like comment and date time. so i know for example when i called a specific presentation. Now i want to get all the presentations that are in state emailed. I now got in my contactstate model has_and_belongs_to_many :presentation, :join_table => ''presentationcontactstates'', :foreign_key => ''fkcontactstateID'', :association_foreign_key => ''fkpresentationID'' So with Contactstate.find(:all, conditions => ''contactstate IN (1,3,6)'').presentations i''ve got them. But now i want to filter tho...