> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fiddler.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# OutputFieldTransform

> Defines how to transform an LLM output field into a final output field.

Defines how to transform an LLM output field into a final output field.

Used for field renaming and value mapping, e.g., transforming
`is_faithful: 'faithful'` to `label: 'yes'`.

## source\_field

## value\_map