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

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "temaki-wall",
    "fields": [
        "height",
        "material"
    ],
    "moreFields": [
        "{barrier}",
        "two_sided"
    ],
    "geometry": [
        "line",
        "area"
    ],
    "tags": {
        "barrier": "city_wall"
    },
    "name": "City Wall"
}