code: def test_parameter():
      param = ParameterBoolean("MyBool")
      assert param.to_request() == {"Name": "MyBool", "Type": "Boolean"}
      assert param.expr == {"Get": "Parameters.MyBool"}
      assert param.parameter_type.python_type == bool
  
file_path: sagemaker-python-sdk/tests/unit/sagemaker/workflow/test_parameters.py
imports: from __future__ import absolute_import
  import pytest
  from sagemaker.workflow.parameters import ParameterBoolean, ParameterFloat, ParameterInteger, ParameterString
label_desc: Use image node_id 1 for calling a global function with example usage: test_parameter() without return types