post https://sandbox.xola.com/api/experiences//attachments
Upload a document and create an attachment object for it.
To perform this action, you must be the account owner, or must be delegated with ROLE_CURATOR or ROLE_SELLER_ADMIN.
This endpoint expects the request body to contain the document being uploaded as multipart/form-data. The name of the file contained in the request must also be specified in the qqfile query parameter.