## MedplumClientOptions.defaultHeaders property

Default headers to include in all requests. This can be used to set custom headers such as Cookies or Authorization headers.

**Signature:**
```typescript
defaultHeaders?: Record<string, string>;
```

- [MedplumClientOptions.defaultHeaders property](/content/docs/sdk/core.medplumclientoptions.defaultheaders#medplumclientoptionsdefaultheaders-property/index.html)