node {
// HEADS UP: this is Scripted Pipeline syntax
    stage("Build") {
        parallel (
            "First Build" : {
                build("first-build-job")
            },
            "Second Build" : {
                build("second-build-job")
            }
        )
        build("test-job")
        parallel (
            "Third Build" : {
                build("third -build-job")
            },
            "Last Build" : {
                build("last-build-job")
            }
        )
    }
}