code: def get_hyper_param(self):
      param = {
          "max_depth": self.max_depth,
          "use_missing": self.use_missing,
          "zero_as_missing": self.zero_as_missing,
      }
      return param
  
imports: import numpy
  import pandas
  from fate.arch import Context
  from fate.arch.dataframe import DataFrame
  from fate.ml.ensemble.learner.decision_tree.tree_core.splitter import SplitInfo
  from typing import List
  import logging
label_desc: Use image node_id 22 for calling the DecisionTree obj's underlying member method code with example usage: obj.get_hyper_param() and returns: param