docs: def get_descendant_page_id(self, space, parent_id, title):
          """
          Provide  space, parent_id and title of the descendant page, it will return the descendant page_id
          :param space: str
          :param parent_id: int
          :param title: str
          :return: page_id of the page whose title is passed in argument
          """
          page_id = ""
  
          url = 'rest/api/content/search?cql=parent={}%20AND%20space="{}"'.format(
              parent_id, space
          )
          response = self.get(url, {})
  
          for each_page in response.get("results", []):
              if each_page.get("title") == title:
                  page_id = each_page.get("id")
                  break
          return page_id