# Alternate Behavior

> The requirement that a defined alternate behavior exist to use when the primary path fails.

Record: `lexicon:alternate-behavior`
Kind: constraint
Layer: [Correctness Core](https://banes-lab.com/records/layer/correctness-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-alternate-behavior

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Error Model](https://banes-lab.com/records/lexicon/error-model.md) and before [Capacity Signaling](https://banes-lab.com/records/lexicon/capacity-signaling.md).

## Category

- [Error Handling / Resilience](https://banes-lab.com/records/lexicon-category/error-handling-resilience.md)

## Required by

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

## Linked from

- [Error Handling / Resilience](https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md)