We work with version 6.5.2 and i only see three options
@Mike6960, it was in Splunk Enterprise 6.6
just to expand, you can look at Release Notes in the Splunk Documentation to see What's New in various versions of Splunk (using the Version dropdown in the top right) as well as known and fixed issues and deprecated features.
http://docs.splunk.com/Documentation/Splunk/6.6.0/ReleaseNotes/MeetSplunk