Add an optional configuration file attribute to configure (per data type) [retention policy](https://docs.influxdata.com/influxdb/latest/concepts/glossary/#retention-policy-rp) to use, pass `rp` variable to [`/write`](https://docs.influxdata.com/influxdb/latest/tools/api/#write-http-endpoint) queries.
Add an optional configuration file attribute to configure (per data type) retention policy to use, pass
rpvariable to/writequeries.