docs: def update_configuration(self, did, wid, eid, payload):
          '''
          Update the configuration specified in the payload
  
          Args:
              - did (str): Document ID
              - eid (str): Element ID
              - payload (json): the request body
          Returns:
              - configuration (str): the url-ready configuration string.
          '''
  
          req_headers = {
              'Accept': 'application/vnd.onshape.v1+json',
              'Content-Type': 'application/json'
          }
  
          res = self._api.request('post', '/api/partstudios/d/' + did + '/w/' + wid + '/e/' + eid + '/configuration', body=payload, headers=req_headers)
  
          return res