How to add NSUbiquitousContainers into Info.plist?

<key>NSUbiquitousContainers</key>

<dict>

<key>iCloud.com.example.MyApp</key>

<dict>

<key>NSUbiquitousContainerIsDocumentScopePublic</key>

<true/>

<key>NSUbiquitousContainerSupportedFolderLevels</key>

<string>Any</string>

<key>NSUbiquitousContainerName</key>

<string>MyApp</string>

</dict>

</dict>