@openstreetmap/id-tagging-schema/data/fields/piste/difficulty.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "piste:difficulty",
    "type": "combo",
    "label": "Difficulty",
    "placeholder": "Easy, Intermediate, Advanced...",
    "strings": {
        "options": {
            "novice": "Novice",
            "easy": "Easy",
            "intermediate": "Intermediate",
            "advanced": "Advanced",
            "expert": "Expert",
            "freeride": "Freeride",
            "extreme": "Extreme"
        }
    },
    "autoSuggestions": false,
    "customValues": false
}