@openstreetmap/id-tagging-schema/data/presets/natural/wetland/marsh.json

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "maki-wetland",
    "fields": [],
    "geometry": [
        "area"
    ],
    "tags": {
        "natural": "wetland",
        "wetland": "marsh"
    },
    "reference": {
        "key": "wetland",
        "value": "marsh"
    },
    "terms": [],
    "name": "Marsh"
}