For Redis engine version 6.0 onwards: Creates a Redis user. For more information, see <a href="http://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Clusters.RBAC.html">Using Role Based Access Control (RBAC)</a>.
post/#Action=CreateUser
Query parameters
Action'CreateUser' required
Version'2015-02-02' required
Response
Success