interface_build {
    {d.rast} 0
    {Displays or overlays raster map layers.}
    {entry map {Raster map to be displayed:} 0 raster}
    {entry bg {Background color for null:} 0 color}
    {entry catlist {List of categories to be displayed (integer maps):} 0 ""}
    {entry vallist {List of values to be displayed (floating point maps):} 0 ""}
    {checkbox -o {Overlay (displays non-zero values only):} "" -o}
}