# Keyed Registration

> The requirement that each component register under a unique key by which it can be retrieved.

Record: `lexicon:keyed-registration`
Kind: constraint
Layer: [Extensibility Core](https://banes-lab.com/records/layer/extensibility-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-keyed-registration

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Externalized Flag State](https://banes-lab.com/records/lexicon/externalized-flag-state.md) and before [Registration Protocol](https://banes-lab.com/records/lexicon/registration-protocol.md).

## Category

- [Plugin / Extensibility / IoC](https://banes-lab.com/records/lexicon-category/plugin-extensibility-ioc.md)

## Required by

- [Registry Pattern](https://banes-lab.com/records/architecture/registry-pattern.md)

## Linked from

- [Plugin / Extensibility / IoC](https://banes-lab.com/ontology/principles/architecture-category-plugin-extensibility-ioc.md)