Hello, I'm working on a Splunk query to track REST calls in our logs. Specifically, I’m trying to use the transaction command to group related logs — each transaction should include exactly two messages: a RECEIVER log and a SENDER log. Here’s my current query: index=... ("SENDER[" OR ("RECEIVER[" AND "POST /my-end-point*")) | rex "\[(?<id>\d+)\]" | transaction id startswith="RECEIVER" endswith="SENDER" mvlist=message | search eventcount > 1 | eval count=mvcount(message) | eval request=mvindex(message, 0) | eval response=mvindex(message, 1) | table id, duration, count, request, response, _raw The idea is to group together RECEIVER and SENDER logs using the transaction id that my logs creates (e.g., RECEIVER[52] and SENDER[52]), and then extract and separate the first and second messages of the transaction into request and response to have a better visualisation. The transaction command seems to be grouping the logs correctly, I get the right number of transactions, and both receiver and sender logs are present in the _raw field. For a few cases it works fine, I have as expected the proper request and response in two distinct fields, but for many transactions, the response (second message) is showing as NULL, even though eventcount is 2 and both messages are visible in _raw The message field is well present in both ends of the transaction, as I can see it in the _raw output. Can someone guide me on what is wrong with my query ?   ... View more