code: def getKwCtrlConf(self, kw, fmt='dict'):
          
          try:
              confd = self.ctrlconf_dict[kw]
              if fmt == 'dict':
                  retval = confd
              else:  # 'json' string for other options
                  retval = json.dumps(confd)
          except KeyError:
              # try to get from raw line string
              self.getKw(kw)
              if self.confstr_epics != '':
                  if fmt == 'dict':
                      retval = ast.literal_eval(self.confstr_epics)
                  elif fmt == 'json':
                      retval = json.dumps(ast.literal_eval(self.confstr_epics))
                  else:  # raw string
                      retval = self.confstr_epics
              else:
                  retval = None
  
          return retval
docs: return keyword's control configuration, followed after '!epics' notation
          :param kw: keyword name
          :param fmt: return format, 'raw', 'dict', 'json', default is 'dict'