def command=(com)

      com = com.is_a?(Array) ? com : com.split(' ')
      com = [ com.first, com.last ]
      com[1] = com[1].to_i if com[1] and com[0] != 'jump'

      h.fields['__command__'] = com
    end
def command=(com)

      com = com.is_a?(Array) ? com : com.split(' ')
      com = [ com.first, com.last ]
      com[1] = com[1].to_i if com[1] and com[0] != 'jump'

      h.fields['__command__'] = com
    end
(advanced)

 Shortcut for wi.fields['__command__'] = x

 __command__ is read by the 'cursor' and the 'iterator' expressions
 when a workitem reaches it (apply and reply).