[Home](./index.md) > [@keymanapp/kmc-kmn](./kmc-kmn.md) > [KmnCompilerResult](./kmc-kmn.kmncompilerresult.md) > [extra](./kmc-kmn.kmncompilerresult.extra.md) ## KmnCompilerResult.extra property Internal additional metadata used by secondary compile phases such as KmwCompiler, not intended for external use **Signature:** ```typescript extra: KmnCompilerResultExtra; ```