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Generate an ID for an event

Serverless

Elastic Cloud Serverless projects are autoscaled environments, fully managed by Elastic and available on Elastic Cloud.

Availability

  • Generally available

    This functionality is generally available and ready for production usage.

Serverless interfaces and procedures might differ from classic Elastic Stack deployments.

Stack

The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats.

Availability

  • Generally available

    This functionality is generally available and ready for production usage.

Unless stated otherwise on the page, this functionality is available when your Elastic Stack is deployed on Elastic Cloud Hosted, Elastic Cloud Enterprise, Elastic Cloud on Kubernetes, and self-managed environments.

This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes.

The add_id processor generates a unique ID for an event.

YAML
- add_id: ~
Note

Elastic Agent processors execute before ingest pipelines, which means that they process the raw event data rather than the final event sent to Elasticsearch. For related limitations, refer to What are some limitations of using processors?

Name Required Default Description
target_field No @metadata._id Field where the generated ID will be stored.
type No elasticsearch Type of ID to generate. Currently only elasticsearch is supported. The elasticsearch type uses the same algorithm that Elasticsearch uses to auto-generate document IDs.