# Alternate Behavior

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

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

## category

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

## referenced-by

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