def submissions_bulk_update(self, **kwargs):
response = self._requester.request(<EOL>'<STR_LIT:POST>',<EOL>'<STR_LIT>'.format(<EOL>self.id<EOL>),<EOL>_kwargs=combine_kwargs(**kwargs)<EOL>)<EOL>return Progress(self._requester, response.json())<EOL>
Update the grading and comments on multiple student's assignment
submissions in an asynchronous job.

:calls: `POST /api/v1/courses/:course_id/submissions/update_grades \
<https://canvas.instructure.com/doc/api/submissions.html#method.submissions_api.bulk_update>`_

:rtype: :class:`canvasapi.progress.Progress`