code: def _wdasearch(self, using, value):
          
          element_ids = []
          for v in self.http.post('/elements', {'using': using, 'value': value}).value:
              element_ids.append(v['ELEMENT'])
          return element_ids
docs: Returns:
              element_ids (list(string)): example ['id1', 'id2']
          
          HTTP example response:
          [
              {"ELEMENT": "E2FF5B2A-DBDF-4E67-9179-91609480D80A"},
              {"ELEMENT": "597B1A1E-70B9-4CBE-ACAD-40943B0A6034"}
          ]