Netflow setup giving me error

I still can't see anything as index on elasticserch
logstash starts up ok with this module

Do I have to do anything else?

[2019-09-25T15:11:40,712][INFO ][logstash.javapipeline ] Starting pipeline {:pipeline_id=>"module-netflow", "pipeline.workers"=>16, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50, "pipeline.max_inflight"=>2000, :thread=>"#<Thread:0x51327c04 run>"}
[2019-09-25T15:11:40,787][INFO ][logstash.javapipeline ] Pipeline started {"pipeline.id"=>"module-netflow"}
[2019-09-25T15:11:40,853][INFO ][logstash.inputs.udp ] Starting UDP listener {:address=>"0.0.0.0:2055"}
[2019-09-25T15:11:40,876][INFO ][logstash.agent ] Pipelines running {:count=>1, :running_pipelines=>[:"module-netflow"], :non_running_pipelines=>}
[2019-09-25T15:11:40,926][INFO ][logstash.inputs.udp ] UDP listener started {:address=>"0.0.0.0:2055", :receive_buffer_bytes=>"212992", :queue_size=>"2000"}
[2019-09-25T15:11:41,288][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}