examples/components/routing/meta/echo_client.cml

// Component manifest for the `echo_client` example program, which sends a message to the Echo
// service.
{
    "program": {
        "binary": "bin/echo_client",
        "args": ["Hippos", "rule!"],
    },
    "use": [
        { "runner": "elf" },
        {
            "protocol": "/svc/fidl.examples.routing.echo.Echo",
        },
    ],
}