USING COCOAPODS

Open your pod file and add the following

pod 'CashfreePG', '~> 1.1.3'

Execute command in your terminal

 pod install

Permissions

Open the info.plist file and add the following:

<key>LSApplicationCategoryType</key>
<string></string>
<key>LSApplicationQueriesSchemes</key>
<array>
  <string>bhim</string>
  <string>paytm</string>
  <string>phonepe</string>
  <string>tez</string>
</array>