diff --git a/authenticate.go b/authenticate.go
index d460673..8b87e44 100644
--- a/authenticate.go
+++ b/authenticate.go
@@ -134,3 +134,8 @@
 	urls := []string{ep.PublicURL, ep.InternalURL}
 	return urls[ac.UrlChoice]
 }
+
+// See AccessProvider interface definition for details.
+func (a *Access) AuthToken() string {
+	return a.Token.Id
+}