Capture pre-auth payment for ISV

POST https://demo.vivapayments.com/api/transactions/{transactionId}

Request Body

{"amount"=>1000, "isvAmount"=>5, "customerTrns"=>"A description of products / services that is displayed to the customer", "merchantTrns"=>"Your merchant reference", "sourceCode"=>11, "resellerSourceCode"=>1000, "tipAmount"=>1}