Uploads the contents of a file as a document to a room.

This method uploads the contents of file as a room document for the room that you specify. This is a multipart form request. You must include the following headers: - `Content-Type: multipart/form-data` (with a `boundary`) - `Content-Disposition: form-data` - `Content-Disposition: file` (with the `filename`) ### Related topics - [How to attach documents via binary transfer (eSignature)](/docs/esign-rest-api/how-to/send-binary/) An eSignature API example that illustrates how to build a ...