CB

Chris Berkhout

Senior Software Engineer

Author's articles

Common Expression Language (CEL): How the CEL input improves data collection in Elastic Agent integrations
Agentic AI

February 27, 2026

Common Expression Language (CEL): How the CEL input improves data collection in Elastic Agent integrations

Learn how the Common Expression Language differs from other programming languages, how we’ve extended it for Filebeat’s CEL input, and the flexibility it gives you to express data collection logic in Elastic Agent integrations.

CB
By: Chris Berkhout

Ready to build state of the art search experiences?

Sufficiently advanced search isn’t achieved with the efforts of one. Elasticsearch is powered by data scientists, ML ops, engineers, and many more who are just as passionate about search as you are. Let’s connect and work together to build the magical search experience that will get you the results you want.

Try it yourself