# Controller Tag

> A formal definition of the tag for a file that receives an external request and routes it to the code that answers it, filed in a controllers folder.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Service Tag](https://banes-lab.com/records/lexicon/service-tag.md) and before [Coordinator Tag](https://banes-lab.com/records/lexicon/coordinator-tag.md).

## Category

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