@openstreetmap/id-tagging-schema/data/presets/barrier/retaining_wall.json

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "temaki-wall",
    "fields": [
        "height",
        "material"
    ],
    "geometry": [
        "line",
        "area"
    ],
    "tags": {
        "barrier": "retaining_wall"
    },
    "name": "Retaining Wall"
}