docs: def create_application(self, team_id, name, url=None):
          """
          Creates an application under a given team.
          :param team_id: Team identifier.
          :param name: The name of the new application being created.
          :param url: The url of where the application is located.
          """
          params = {'name': name}
          if url:
              params['url'] = url
          return self._request('POST', 'rest/teams/' + str(team_id) + '/applications/new', params)