         // On success, store last token and call completion block.
         // Else, if auth is required, add request to pending requests, open Safari and request authentication.
         request.perform(cloudService: cloudService, queue: queue) { (requestUUID, response) in
+            if let token = request.token {
+                self.lastToken = token
+            }
+
             if let authRedirectURL = response.authRedirectURL {
                 if #available(iOS 10, *) {
                     UIApplication.shared.open(authRedirectURL) { success in

        // On success, store last token, remove pending request, and call completion block.
        // Else, if auth is still required, open Safari and request authentication.
        request.perform(cloudService: cloudService, queue: queue) { (_, response) in
            if let authRedirectURL = response.authRedirectURL {
                if #available(iOS 10, *) {
                    UIApplication.shared.open(authRedirectURL)

                    }
                }
            } else {
                completionBlock(response)
            }
        }
