OptionalbatchPath to a .csv, .xls, or .xlsx file of recipients (max 5 MB). Required.
OptionalpollHow often to poll while waiting for parsing, in milliseconds (default 2000).
OptionalpollHow long to wait for parsing before timing out, in milliseconds (default 120000).
OptionalsignalAbort the upload and the parse wait.
OptionalwaitWait for the uploaded file to finish parsing before resolving (default true).
When false, resolves as soon as parsing starts (status parsing).
Replace the file on an existing batch instead of creating a new one.