Send email to payer with transaction document (OP_Send_Email_After_Transaction_Issued_Free) is configured at Financial Settings > General Settings > e-Payments. It controls whether Classter automatically emails the payer a copy of the transaction document right after a Free Amount online payment is turned into a financial transaction.
The full article is available to signed-in Classter users.
Sign in with your Classter account — if you are already signed in to your Classter Portal you will not be asked for credentials.
Sign in to read the full article