ms-users/schemas/alias.json

{
    "$id": "alias",
    "type": "object",
    "required": [
        "username",
        "alias"
    ],
    "properties": {
        "username": {
            "type": "string",
            "minLength": 1,
            "maxLength": 64
        },
        "alias": {
            "$ref": "common.json#/definitions/alias"
        }
    }
}