I would like to use the feature if available.
The ability to query on lists and maps is actively being developed. We do not yet have an ETA.
Hello, Guys. I see last answer here is 6 months old. How is it now with secondary indices on list type? Oh, i see some reply here List-type secondary index in 3.5.8
Secondary Indexes on List/Map structures was released as part of 3.8. See here http://www.aerospike.com/blog/aerospike-3-8-release/