Lowercase processor
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Serverless
Generally available
Stack
9.4+
Generally available since 9.4
The Lowercase processor converts a string field to lowercase.
To convert a field to lowercase:
- Select Create → Create processor.
- Select Lowercase from the Processor menu.
- Set the Source Field to the field you want to convert.
- (Optional) Set Target field to write the result to a different field.
In YAML mode, configure the lowercase 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: lowercase
from: attributes.method