Setting up multiple ILM policies on a filebeat with multiple indices as its output

[daniel_a (daniel_aug)]

I've been trying to set up ILM policies on a filebeat which has a module enabled for additional data source to process. So, I'll need to apply two different policies to two different indexes on the same filebeat.

ILM policy names:

1. filebeat-7.4.2 >> this is the native one used by default by a filebeat.

2. vpc_flow-policy >> a custom policy for flow logs.

   filebeat.inputs:
   - type: log
     enabled: true
     paths:
       - /var/log/commands.log
   
   filebeat.config.modules:
     path: /etc/filebeat/modules.d/*.yml
     reload.enabled: false
   
   setup.template.settings:
     index.number_of_shards: 1
     index.number_of_replicas: 1
     index.codec: best_compression
   
   tags: ["flow_logs"]
   
   output.elasticsearch:
     indices:
       - index: "vpc_flow-%{+yyyy.MM.dd}"
         when.contains:
           event.type: "flow"
   
   processors:
       - add_host_metadata:
          netinfo.enabled: true
       - add_cloud_metadata: ~
   
   xpack.monitoring.enabled: true
   

Where should I add ILM configurations which would only apply to vpc_flow-* indexes and not filebeat-* ones? I already created ILM in Kibana.

--Thanks