designate/designate/resources/schemas/v1/domains.json

{
    "id": "domains",

    "$schema": "http://json-schema.org/draft-03/hyper-schema",

    "title": "domains",
    "description": "Domains",
    "additionalProperties": false,

    "properties": {
        "domains": {
            "type": "array",
            "description": "Domains",
            "items": {"$ref": "domain#"}
        }
    }
}