diff --git a/session/agent.go b/session/agent.go
index 7f7be68..b7dd4e5 100644
--- a/session/agent.go
+++ b/session/agent.go
@@ -52,6 +52,9 @@ func (ag *Agent) Backend() backend.Backend {
 // Name returns the agent's name.
 func (ag *Agent) Name() string { return ag.agentName }
 
+// ID returns the agent's unique identity.
+func (ag *Agent) ID() string { return ag.id }
+
 // BackendName returns the name of the active backend.
 func (ag *Agent) BackendName() string {
 	if ag.runtime == nil || ag.runtime.Backend == nil {