interface_build {
    {v.alabel} 0
    {Automatically labels unlabeled area features in a binary vector map.}
    {entry map {Vector map to label:} 0 vector}
    {entry value {Category value for unlabeled areas or starting value for incremental labeling:} 0 ""}
    {entry label {Catgegory label for unlabeled areas:} 0 ""}
    {checkbox -i {Assign category values incrementally, starting from specified initial value.} "" -i}
}