In Xplor Studio, there are two types of automated receipts that can be sent by the system.

Online Purchase Receipts

If you want payment receipts to be automatically emailed to your members for online purchases through the Member Area or Mobile Apps, then enable this option in the Member Area Settings:

Auto-renewing Plan Receipts

To have payment receipts automatically emailed to your members for each successful payment of an auto-renewing plan, go to Settings > Notifications > Other Notifications