# File jabber4r/session.rb, line 570

    def register_roster_filter

      @connection.add_filter("rosterFilter") do |element|


          element.consume_element

          item = element.query.item

          if item.attr_subscription=="remove" then

            @roster.remove(item.attr_jid)

          else

            @roster.add(item.attr_jid, item.attr_subscription, item.attr_name, item.group.element_data)

          end

        end

      end

    end