# Extension Tag

> A formal definition of the tag for a file that adds a capability to a host through the host's declared extension point, filed in an extensions folder.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Default Tag](https://banes-lab.com/records/lexicon/default-tag.md) and before [Plugin Tag](https://banes-lab.com/records/lexicon/plugin-tag.md).

## Category

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

## Linked from

- [Refused Tags](https://banes-lab.com/ontology/lexicon/lexicon-category-refused-tags.md)