iOS : Not receiving facebook App invites

Question

I'm trying to send app invitation to my facebook friends using below code Everything works fine but friends are not able to receive any notification from my Facebook app invite.

FBSDKAppInviteContent *content =[[FBSDKAppInviteContent alloc] init];
    content.appLinkURL = [NSURL URLWithString:@"https://fb.me/myappid"];
    //optionally set previewImageURL
    content.appInvitePreviewImageURL = [NSURL URLWithString:@"https://www.example.com/my_invite_image.jpg"];
    // present the dialog. Assumes self implements protocol `FBSDKAppInviteDialogDelegate`
    FBSDKAppInviteDialog *inviteDialog = [FBSDKAppInviteDialog showFromViewController:self withContent:content delegate:self];

Answer 1

几个小时也没有看到邀请通知后，我意识到通知仅出现在Facebook移动应用程序中（不在FB网站上）。