Trim processor
Elastic Cloud Serverless projects are autoscaled environments, fully managed by Elastic and available on Elastic Cloud. Availability This functionality is generally available and ready for production usage. Serverless interfaces and procedures might differ from classic Elastic Stack deployments. The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats. Availability 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.
Serverless
Generally available
Stack
9.4+
Generally available since 9.4
The Trim processor removes leading and trailing whitespace from a string field.
To trim whitespace from a field:
- Select Create → Create processor.
- Select Trim from the Processor menu.
- Set the Source Field to the field you want to trim.
- (Optional) Set Target field to write the result to a different field.
In YAML mode, configure the trim processor using the following parameters. For the complete Streamlang syntax, refer to the Streamlang reference.
| Parameter | Type | Required | Description |
|---|---|---|---|
from |
string | Yes | Source field. |
to |
string | No | Target field. Defaults to the source field. |
ignore_missing |
boolean | No | When true, skip this processor if the source field is missing. |
- action: trim
from: attributes.name