Attach a folder to the mail (limited to 20 MB zipped, unless overriden in general settings).
Attach a dataset to the mail (limited to 20 MB, unless overridden in general settings).
Specifications of partitions to attach. Leave empty to attach all dataset.
If the latest snapshot of this report already includes the proper format, use it. If it doesn't, or if this option is disabled, then a new run and export of the RMarkdown report is performed.