I found this section
https://api.backendless.com/7DDF8A37-3FEA-7574-FFFD-F85AA25C6C00/70EBDF10-0B9F-F91F-FF59-908EB9543700/files/for_questions/backendlessQuestion1.png</img>
but I cant find any documentaion about it. How should I validate transactions from my app?