## MedplumClient.invalidateUrl() method [​](/content/docs/sdk/core.medplumclient.invalidateurl#medplumclientinvalidateurl-method "Direct link to MedplumClient.invalidateUrl(/index.html) method")

Invalidates any cached values or cached requests for the given URL.

**Signature:**

```typescript
invalidateUrl(url: URL | string): void;
```

## Parameters [​](/content/docs/sdk/core.medplumclient.invalidateurl#parameters "Direct link to Parameters"/index.html)

| Parameter | Type       | Description                     |
| --------- | ---------- | ------------------------------- |
| url       | URL \| string | The URL to invalidate.          |

**Returns:**

void

- [MedplumClient.invalidateUrl() method](/content/docs/sdk/core.medplumclient.invalidateurl#medplumclientinvalidateurl-method/index.html)
- [Parameters](/content/docs/sdk/core.medplumclient.invalidateurl#parameters/index.html)