Unique identifier for the upload session. Use when completing the session and when referencing the attachment in send or draft.
MIME type of the file.
When the upload session expires (RFC 3339).
Name of the file.
The grant ID the upload session belongs to.
Headers to include when uploading to AttachmentUploadSession.url.
Maximum allowed file size in bytes.
HTTP method to use when uploading to AttachmentUploadSession.url. Always PUT.
Expected file size in bytes, echoing the request. 0 if size was omitted on creation.
Pre-signed URL to upload file bytes (no Nylas auth header on this request).
Upload session returned when creating a large-attachment upload session. Corresponds to the
dataobject in the create-session API response.