# Mapper Tag

> A formal definition of the tag for a file that maps the fields of one model onto another, filed in a mappers folder.

Record: `lexicon:mapper-tag`
Kind: artifact
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-mapper-tag

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Sanitizer Tag](https://banes-lab.com/records/lexicon/sanitizer-tag.md) and before [Transformer Tag](https://banes-lab.com/records/lexicon/transformer-tag.md).

## Category

- [Processing Concerns](https://banes-lab.com/records/lexicon-category/processing-concerns.md)