@openstreetmap/id-tagging-schema/data/presets/indoor/stairs.json

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "iD-highway-steps",
    "fields": [
        "ref",
        "level_semi",
        "conveying_escalator"
    ],
    "geometry": [
        "area"
    ],
    "tags": {
        "indoor": "room",
        "stairs": "yes"
    },
    "terms": [
        "stair",
        "stairs",
        "staircase",
        "stairway",
        "stairwell",
        "steps"
    ],
    "matchScore": 0.8,
    "name": "Indoor Stairwell"
}