class_docstr: Value remains constant over time.
  
  :param value: (float) Constant value of the schedule
class_docstr_tok: ["Value","remains","constant","over","time",".",":","param","value",":","(","float",")","Constant","value","of","the","schedule"]
code: def __init__(self, value):
      self._value = value
  
label_desc: Use image node_id 1 to create a new ConstantSchedule object from inherited base classes: Schedule with example: obj = ConstantSchedule(value)