{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Change",
  "title": "Change",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer",
      "description": "Unique ID of the change."
    },
    "subject": {
      "type": "string",
      "description": "Subject of the change request."
    },
    "description": {
      "type": "string",
      "description": "HTML description."
    },
    "status": {
      "type": "integer",
      "description": "Status. 1=Open, 2=Planning, 3=Awaiting Approval, 4=Pending Release, 5=Pending Review, 6=Closed."
    },
    "priority": {
      "type": "integer",
      "description": "Priority. 1=Low, 2=Medium, 3=High, 4=Urgent."
    },
    "impact": {
      "type": "integer",
      "description": "Impact. 1=Low, 2=Medium, 3=High."
    },
    "risk": {
      "type": "integer",
      "description": "Risk. 1=Low, 2=Medium, 3=High, 4=Very High."
    },
    "change_type": {
      "type": "string",
      "description": "Type of change (Standard, Normal, Emergency, Minor)."
    },
    "agent_id": {
      "type": "integer",
      "description": "ID of the assigned agent."
    },
    "group_id": {
      "type": "integer",
      "description": "ID of the assigned group."
    },
    "department_id": {
      "type": "integer",
      "description": "ID of the department."
    },
    "planned_start_date": {
      "type": "string",
      "format": "date-time",
      "description": "Planned start date."
    },
    "planned_end_date": {
      "type": "string",
      "format": "date-time",
      "description": "Planned end date."
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when created."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when last updated."
    }
  }
}