How can I set an email notification to remind users of an upcoming invoice? Log into your optixapp.com dashboard Select Settings from the left-hand menu Select the Settings tab Select the Payments tab Click the toggle next to 'Automatically send members a link to their invoice two days before the due date' to enable/disable. When this setting is enabled, users will receive an email reminder 2 days prior and on the invoice due date. Related articles How do I set custom terms of service? How do I sync Google Calendar or Office 365 with Optix? What payment gateways does Optix integrate with? How do I remove multiple users from my Optix account? How do I prevent my users from being able to cancel their check-ins?