I am currenly using Elastic APM to monitor my application. and I noticed that transaction log data that created by APM agent is automactilly store in an Elasticsearch index. I want to enrich every doucment before it write into the index. And, I found a offical tutorial document showing me how to do. but I cannot find the configuation option in my UI.
Basically, as long as the upcoming document that contains the labels_data_name is matched the labels_database_name that in the source index. I would like it to add that couple fields into the document before it write into index.
Here is my apm index data looks like, the upcoming data have a field called labels_database_name like below
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