[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [FetchAndSaveHooks](./x-components.fetchandsavehooks.md) > [onError](./x-components.fetchandsavehooks.onerror.md) ## FetchAndSaveHooks.onError property 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; ```