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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [FetchAndSaveHooks](./x-components.fetchandsavehooks.md) &gt; [onError](./x-components.fetchandsavehooks.onerror.md)

## FetchAndSaveHooks.onError() method

Asynchronous callback executed when either the [FetchAndSaveHooks.fetch()](./x-components.fetchandsavehooks.fetch.md) or [FetchAndSaveHooks.onSuccess()](./x-components.fetchandsavehooks.onsuccess.md) methods fail.

**Signature:**

```typescript
onError?(error: unknown): void;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  error | unknown | The error that triggered this callback. |

**Returns:**

void