...
Minimum amount to add fee - Reminder will still be sent for those invoices but the fee will not be set.
Send to external debt collection service - Available only if external debt collection is configured for the company or all companies if useCompanyReminderFlowSteps is not set to true.
Direct debit fee - Reminder fee for direct debit invoices.
Regular fee - Reminder fee for other invoices.
Email, SMS and push notification templates
...