# MSC Sequence Diagram Example: DNS Query Transaction

msc {
    # Chart Options
    arcgradient = "10";

    # Entities
    a [ label = "Client" ], b [ label = "Server" ];

    # Message Flow
    a =>> b [ label = "DNS Request" ];
    --- [ label = "Transaction 1 Completed" ];
    |||;
    b =>> a [ label = "DNS Response" ];
    --- [ label = "Transaction 2 Completed" ];

    |||;
    ||| [label="[ generated with Mscgen ]", textcolor="gray"];
}