_changes API not working with filter and view parameters in Couchbase Lite

Mobile Couchbase Lite
6

In the document of Couchbase Lite _changes, filter and view parameters is mentioned but there is no example or syntax are given for the same.

http://developer.couchbase.com/documentation/mobile/current/develop/references/couchbase-lite/rest-api/database/get-changes/index.html