The list of current events is here https://github.com/opencart/opencart/wi ... cations%29
What I believe missing is
- Order Placed - This is not the same as order added. This will fire after confirmation of order placement
- Order Cancelled
- Order Paid
- Order Shipped
- Order Note Added
- Order Status Updated
- Forgot Password Request Initiated
- Inventory Destocked
- Inventory Restocked
- Low Inventory Item Purchased
- Payment Authorized
- Payment Authorization Failed
- Payment Captured
- Payment Capture Failed
- Payment Refunded
- Shipment Shipped
- Shipment Returned