On-Reader Tipping makes it really simple for your merchants to collect tips from their guests: At the beginning of each transaction, the guest is asked whether he wants to give a tip and then can enter the tip amount right on the card reader.

MPTransactionProcessParameters *pp = [MPTransactionProcessParameters parametersWithSteps:
                                                                          ^(id  _Nonnull steps)
                                                                          {
                                                                                  [steps addAskForTipStepWithSuggestedAmount:nil];
                                                                          }];

UIViewController *viewController =
        [ui createTransactionViewControllerWithTransactionParameters:tp
                                                                                           
processParameters:pp
                                                                                                           completed:/*...*/];

MPTransactionProcessParameters *pp = [MPTransactionProcessParameters parametersWithSteps:
                                                                          ^(id  _Nonnull steps)
                                                                          {
                                                                                  [steps addAskForTipStepWithSuggestedAmount:nil];
                                                                          }];

MPTransactionProcess *process =
[transactionProvider startTransactionWithParameters:transactionParameters
                                                                accessoryParameters:accessoryParameters
                                                                  
processParameters:pp
                                                                                 registered:/*...*/
                                                                          statusChanged:/*...*/
                                                                         actionRequired:/*...*/
                                                                                  completed:/*...*/];                                     

NSLog(@"Included Tip: %@",transaction.details.includedTipAmount);

On-Reader Tipping makes it really easy for your merchants to collect tips from their guests: At the beginning of each transaction, the guest is asked whether he wants to give a tip and then can enter the tip amount right on the card reader.

TransactionProcessParameters transactionProcessParameters = new TransactionProcessParameters.Builder()
                .addAskForTipStep()
                .build();

Intent intent = MposUi.getInitializedInstance().createTransactionIntent(params, 
transactionProcessParameters);
startActivityForResult(intent, MposUi.REQUEST_CODE_PAYMENT);

TransactionProcessParameters transactionProcessParameters = new TransactionProcessParameters.Builder()
                .addAskForTipStep()
                .build();

TransactionProcess paymentProcess = 
    transactionProvider.startTransaction(transactionParameters,
                                         accessoryParameters, 
                                         
transactionProcessParameters, this);

System.out.println("Included Tip: " + transaction.getDetails().getIncludedTipAmount());