root = Stack([TextContent("Build 208", "large-heavy"), TextContent($status), Buttons([Button("Approve", approve, "default", "a"), Button("Hold", hold, "secondary", "h")], "row")], "column", 1)
$status = "Awaiting review"
approve = Action([@Set($status, "Approved")])
hold = Action([@Set($status, "On hold")])