API Reference > itwin-client > iTwinServiceClients > FileHandler > uploadFile uploadFile Method Upload a file. uploadFile(requestContext: AuthorizedClientRequestContext, uploadUrlString: string, path: string, progress?: ProgressCallback): Promise<void> Parameter Type Description requestContext AuthorizedClientRequestContext The client request context uploadUrlString string path string Path of the file to be uploaded. progress ProgressCallback Returns - Promise<void> Last Updated: 12 June, 2024