From 9e31f1912f076cab03ccdfc3ef8c1bc072445746 Mon Sep 17 00:00:00 2001
From: Joe Neeman <joeneeman@gmail.com>
Date: Wed, 23 Nov 2022 14:46:36 -0600
Subject: [PATCH] Expand example.

---
 examples/service_account_impersonation.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/examples/service_account_impersonation.rs b/examples/service_account_impersonation.rs
index b5841d9..b081444 100644
--- a/examples/service_account_impersonation.rs
+++ b/examples/service_account_impersonation.rs
@@ -12,6 +12,19 @@ async fn main() {
     .await
     .expect("user secret");
 
+    let auth = ServiceAccountImpersonationAuthenticator::builder(user_secret.clone(), &svc_email)
+        .build()
+        .await
+        .expect("authenticator");
+
+    let scopes = &["https://www.googleapis.com/auth/youtube.readonly"];
+    match auth.token(scopes).await {
+        Err(e) => println!("error: {:?}", e),
+        Ok(t) => println!("token: {:?}", t),
+    }
+
+    // If you configure the authenticator to request id tokens, it will give back id tokens
+    // instead of access tokens.
     let auth = ServiceAccountImpersonationAuthenticator::builder(user_secret, &svc_email)
         .request_id_token()
         .build()