# File lib/ruote/exp/fe_sequence.rb, line 82
    def reply(workitem)

      position = workitem['fei'] == h.fei ?
        0 : Ruote::FlowExpressionId.new(workitem['fei']).child_id + 1

      if position < tree_children.size
        apply_child(position, workitem)
      else
        reply_to_parent(workitem)
      end
    end