How to get product details along with transaction id after payment is done

Question

I am using magento 1.8. My requirement is..

I need to add some product information into my custom table after the payment is done.[when customer redirect from paypal to the our website store]

This table need to be contain product details, customer information, transaction information. I think writing observer is good for this, So I am not getting which observer method I need to use which is suitable for above requirement

Thanks in advance

Answer 1

You could either go for the sales_order_invoice_pay or the sales_order_invoice_save_after event. Depending on the payment module you're using the sales_order_invoice_pay event might not get triggered correctly but the invoice_save_after event is always triggered when an invoice is created