{
  "type": "object",
  "properties": {
    "queue": {
      "type": "string",
      "enum": ["business_billing", "billing", "technical"],
      "description": "Use business_billing for billing issues when state.plan is business, billing for other billing issues, and technical for product faults."
    }
  },
  "required": ["queue"],
  "additionalProperties": false
}