# Cheatsheets

## CassandraClientOptions

Eclipse Vert.x Cassandra client options.

Name | Type | Description
`@contactPoints` | `Array of String` | Set a list of hosts, where some of cluster nodes is located.
`@keyspace` | `String` | Set the keyspace to use when creating the Cassandra session. Defaults to `null`.
`@port` | `Number (int)` | Set which port should be used for all the hosts to connect to a cassandra service.