class_docstr: Parameter object.
docstr: String key corresponding to the parameter name.
code: def key(self):
      """String key corresponding to the parameter name."""
      return self._key
  
file_path: mlflow/mlflow/entities/param.py
imports: import sys
  from mlflow.entities._mlflow_object import _MLflowObject
  from mlflow.protos.service_pb2 import Param
label_desc: Use image node_id 2 for calling the Param obj's underlying member method code with example usage: obj.key() and returns: self