code: def search_extension(self, limit=100, offset=0, **kw):
          
  
          response = self.request(E.searchExtensionRequest(
              E.limit(limit),
              E.offset(offset),
              E.withDescription(int(kw.get('with_description', 0))),
              E.withPrice(int(kw.get('with_price', 0))),
              E.withUsageCount(int(kw.get('with_usage_count', 0))),
          ))
          return response.as_models(Extension)
docs: Search the list of available extensions.