def add_filter_by_date(self, query, out_params):
        """Applies the filter by Requested date to the search query
        """
        date_query = formatDateQuery(self.context, 'Requested')
        if date_query:
            query['created'] = date_query
            requested = formatDateParms(self.context, 'Requested')
            out_params.append({'title': _('Requested'),
                               'value': requested,
                               'type': 'text'})
Applies the filter by Requested date to the search query