interface_build {
    {v.split} 0
    {Splits multi-segment polylines (arcs) into individual line segments.}
    {entry input {Input vector map to split:} 0 vector}
    {entry output {Output vector map of  segments:} 0 vector}
    {checkbox type {Line map [default].} "" line}
    {checkbox type {Boundary (area edge) map.} "" boundary}
}