src/composite_sample/meta/composite_sample.cml

{
    program: {
        runner: 'driver',
        binary: 'lib/libcomposite_sample.so',
        bind: 'meta/bind/composite_sample.bindbc'
    },
    use: [
        {
            protocol: [
              'fuchsia.logger.LogSink',
            ],
        },
        { service: "fuchsia.driver.compat.Service" },
    ],
}