3.4.2 Voided Payments

The void service is used to void the mPos debit and credit sale transaction. Voiding basically cancels transactions. It does not delete it but clears the amount. Cashlez transactions can be voided only if they are not settled yet. Below is Void flow (Figure below).

Void Flow

3.4.2.1 ICLVoidPaymentHandler

The ICLVoidPaymentHandler is a class for canceling approved payment, it provides doVoidPayment. method using ICLVoidPaymentHandler as a parameter object.

ICLVoidPaymentHandler

Method	Description
doVoidePayment(String userName, String Password, CLPaymentResponse paymentresponse)	this function is used to process void payment

This function void transaction details using the administrative username and password. The detail of the transaction to be voided is placed in the CLVoidResponse response object like voided by, voided date, voided time.

3.4.2.2 ICLVoidService

The ICLVoidService is a protocol provided by ICLVoidPaymentHandler. It is used to return the result of a void process. (onVoidPaymentSuccess and onVoidPaymentError)

This callback is called when void transaction succeededonVoidPaymentSuccess
This callback is called when void transaction failed or there is an erroronVoidPaymentError
ICLVoidService

Method	Description
onVoidPaymentSuccess(CLVoidResponse response)	callback when void payment success
onVoidPaymentError(CLErrorResponse error)	callback when void payment fail/error