def __call__(self, identity):
return DocumentPermissionContext(<EOL>self._version,<EOL>service_sid=self._solution['<STR_LIT>'],<EOL>document_sid=self._solution['<STR_LIT>'],<EOL>identity=identity,<EOL>)<EOL>
Constructs a DocumentPermissionContext

:param identity: Identity of the user to whom the Sync Document Permission applies.

:returns: twilio.rest.preview.sync.service.document.document_permission.DocumentPermissionContext
:rtype: twilio.rest.preview.sync.service.document.document_permission.DocumentPermissionContext