code: def get(self, slug):
          kb = api.get_kb_by_slug(slug)
          check_knowledge_access(kb)
          parser = reqparse.RequestParser()
          parser.add_argument(
              'from', type=str,
              help="Return only entries where 'from' matches this.")
          parser.add_argument(
              'to', type=str,
              help="Return only entries where 'to' matches this.")
          parser.add_argument('page', type=int,
                              help="Require a specific page")
          parser.add_argument('per_page', type=int,
                              help="Set how much result per page")
          parser.add_argument('match_type', type=str,
                              help="s=substring, e=exact, sw=startswith")
          parser.add_argument('sortby', type=str,
                              help="the sorting criteria ('from' or 'to')")
          args = parser.parse_args()
          return KnwKBMappingsResource \
              .search_mappings(kb, args['from'], args['to'],
                               args['match_type'], args['sortby'],
                               args['page'], args['per_page'])