The name of the website application. ElasticSearch endpoint URL, e.g., `http://192.168.0.1:9200`. Timeout for the connection after which an error is shown. The pipeline in ElasticSearch, for example to parse GeoIP info and User-Agent. The name of the index. Defaults to the app name if not specified. The general name of the index. The date of the request. How to construct the index name. By default, monthly strategy is used: `${index}-${yyyy}.${mm}`. The application name from the config. Client IP address. The decoded request path. The request headers. The status code. The date of the request. The method of the request, e.g., `GET` or `POST`. Possible query from the request.