[Home](./index.md) > [puppeteer](./puppeteer.md) > [BrowserFetcher](./puppeteer.browserfetcher.md) > [canDownload](./puppeteer.browserfetcher.candownload.md) ## BrowserFetcher.canDownload() method Initiates a HEAD request to check if the revision is available. Signature: ```typescript canDownload(revision: string): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | revision | string | The revision to check availability for. | Returns: Promise<boolean> A promise that resolves to `true` if the revision could be downloaded from the host. ## Remarks This method is affected by the current `product`.