ios - How to get response after integrating UPI using hyperlink -


in ios application, need accept payments user. using upi same. have followed following document provided upi

http://www.npci.org.in/documents/upi-linking-specs-ver-1.1_draft.pdf

i have created deeplink stated in document. uiapplication.shared.open used open deeplink url opens installed psp(payment service provider) application in phone(like phonepe, bhim etc)

func paybuttonclicked() {          guard let urlstring = "upi://pay?pa=samplevpa@ybl&pn=sample name&am=1&cu=inr".addingpercentencoding(withallowedcharacters: .urlqueryallowed)             else {                 return             }          guard let url = url(string: urlstring) else {             return         }          if !uiapplication.shared.canopenurl(url) {             print("url cannot opened")             return         }          uiapplication.shared.open(url, options: [:], completionhandler: { (success) in              print(success)          })      }

i have registered application custom url schemes , have added scheme upi applicationqueriesscheme in plist file

<array>         <dict>             <key>cfbundletyperole</key>             <string>editor</string>             <key>cfbundleurlschemes</key>             <array>                 <string>sampleapp</string>             </array>             <key>cfbundleurlname</key>             <string>com.company.sampleapp</string>         </dict>     </array>     <key>lsapplicationqueriesschemes</key>     <array>         <string>upi</string>     </array>

it opening psp application , i'm able make transaction. problem i'm not able response psp application. there no callback method uiapplication.shared.open method. need status of transaction psp application , show status user. appreciated


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