<!-- Do not edit this file. It is automatically generated by API Documenter. --> [`DataAdapter`](DataAdapter) › [`append`](DataAdapter/append) ## DataAdapter.append() method Add text to the end of a plaintext file. **Signature:** ```typescript append(normalizedPath: string, data: string, options?: DataWriteOptions): Promise<void>; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | <code>normalizedPath</code> | <code>string</code> | path to file, use [normalizePath()](normalizePath) to normalize beforehand. | | <code>data</code> | <code>string</code> | the text to append. | | <code>options</code> | [`DataWriteOptions`](DataWriteOptions) | _(Optional)_ (Optional) | **Returns:** `Promise<void>`