For the Facebook SDK Invite, you need to create a custom link to the application. Facebook has provided full documentation for invitations. Send a link to create a link to the application . Facebook provides an application connectivity tool to create your own app link. In the App Link authoring tool, you need to add a custom URL scheme, an app store identifier, and an app name. The custom URL scheme is as follows: youAppName://fbFacebookAppID . We also add fbFacebookAppID to .plist under URLScheme in URLTypes
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