# Transformation Rules

> The requirement that explicit rules define how a model maps to generated implementation code.

Record: `lex:transformation-rules`
Kind: constraint
Layer: [Declarative Core](https://banes-lab.com/records/layer/declarative-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-transformation-rules

## category

- [Metaprogramming / Language-Oriented Architecture](https://banes-lab.com/records/lex-category/metaprogramming-language-oriented-architecture.md)

## referenced-by

- [Model-Driven Architecture](https://banes-lab.com/records/arch/model-driven-architecture.md)