class_docstr: String parameter for pipelines.
class_docstr_tok: ["String","parameter","for","pipelines","."]
docstr: Get the request structure for workflow service calls.
docstr_tok: ["Get","the","request","structure","for","workflow","service","calls","."]
code: def to_request(self) -> RequestType:
      """Get the request structure for workflow service calls."""
      request_dict = super(ParameterString, self).to_request()
      if self.enum_values:
          request_dict["EnumValues"] = self.enum_values
      return request_dict
  
imports: from __future__ import absolute_import
  from enum import Enum
  from functools import partial
  from typing import Dict, List, Type
  import attr
  from sagemaker.workflow.entities import DefaultEnumMeta, Entity, PrimitiveType, RequestType, PipelineVariable
label_desc: Use image node_id 4 for calling the ParameterString obj's underlying member method code with example usage: obj.to_request() and returns: request_dict