@openstreetmap/id-tagging-schema/data/fields/crossing/barrier.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "crossing:barrier",
    "type": "combo",
    "label": "Barrier Arm",
    "strings": {
        "options": {
            "full": "Full",
            "double_half": "Double Half",
            "half": "Half",
            "no": "No",
            "yes": "Yes"
        }
    },
    "autoSuggestions": false,
    "customValues": false
}