create_record

# File activerecord/lib/active_record/associations/has_many_through_association.rb, line 38
        def create_record(attrs, force = true)
          ensure_owner_is_not_new

          transaction do
            object = @reflection.klass.new(attrs)
            add_record_to_target_with_callbacks(object) {|r| insert_record(object, force) }
            object
          end
        end