<!-- Do not edit this file. It is automatically generated by API Documenter. --> [`DataAdapter`](DataAdapter) › [`readBinary`](DataAdapter/readBinary) ## DataAdapter.readBinary() method **Signature:** ```typescript readBinary(normalizedPath: string): Promise<ArrayBuffer>; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | <code>normalizedPath</code> | <code>string</code> | path to file, use [normalizePath()](normalizePath) to normalize beforehand. | **Returns:** `Promise<``ArrayBuffer``>`