## MedplumSourceInfraConfig.cacheEngine property [​](/content/docs/sdk/core.medplumsourceinfraconfig.cacheengine#medplumsourceinfraconfigcacheengine-property "Direct link to MedplumSourceInfraConfig.cacheEngine property"/index.html)

**Signature:**

```typescript
cacheEngine?: ValueOrExternalSecret<string>;
```

- [MedplumSourceInfraConfig.cacheEngine property](/content/docs/sdk/core.medplumsourceinfraconfig.cacheengine#medplumsourceinfraconfigcacheengine-property/index.html)