serverName

The host name of the endpoint database.

For an Amazon RDS PostgreSQL instance, this is the output of DescribeDBInstances, in the <a href="https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_Endpoint.html">Endpoint</a>.Address field.

For an Aurora PostgreSQL instance, this is the output of DescribeDBClusters, in the Endpoint field.