digraph Example {
    graph [goal="Test retry_target attributes", retry_target="plan"]

    start [shape=Mdiamond, label="Start"]
    exit  [shape=Msquare, label="Exit"]

    plan [label="Plan", prompt="Create a plan."]
    implement [label="Implement", prompt="Implement the plan."]
    verify [label="Verify", goal_gate="true", retry_target="implement", prompt="Verify the implementation."]

    start -> plan -> implement -> verify -> exit
}