code: def set_level(self, position, channel=None):
          
          try:
              position = float(position)
          except Exception as err:
              LOG.debug("HelperLevel.set_level: Exception %s" % (err,))
              return False
  
          self.writeNodeData("LEVEL", position, channel)
docs: Seek a specific value by specifying a float() from 0.0 to 1.0.