STRING - String to generate TO-Header in emails (optional but has to default to “” / empty string).
STRING - the hashed version of the users email (mandatory).
Storage location for promotional mail templates (required, an fs-api string).
How long to delay between new promo mail injections (required, a time format).
The minimum interval is 1 minute.
Maximum number of unseen injected mails to show at a time (required, an integer).
Setting this to 0 will remove all injected promotions and stop querying the API endpoint.