## CdsRequest interface [​](/content/docs/sdk/core.cdsrequest#cdsrequest-interface "Direct link to CdsRequest interface"/index.html)

CDS Request definition. See [Calling a CDS Service](https://cds-hooks.hl7.org/#http-request-1) for full details.

**Signature:**

```typescript
export interface CdsRequest
```

## Properties [​](/content/docs/sdk/core.cdsrequest#properties "Direct link to Properties"/index.html)

| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [context](/content/docs/sdk/core.cdsrequest.context) | `readonly` | Record<string, unknown> |  |
| [hook](/content/docs/sdk/core.cdsrequest.hook) | `readonly` | string |  |
| [hookInstance](/content/docs/sdk/core.cdsrequest.hookinstance) | `readonly` | string |  |
| [prefetch?](/content/docs/sdk/core.cdsrequest.prefetch) | `readonly` | Record<string, unknown> | _(Optional)_ |

- [CdsRequest interface](/content/docs/sdk/core.cdsrequest#cdsrequest-interface/index.html)
- [Properties](/content/docs/sdk/core.cdsrequest#properties/index.html)