{
  "type": "object",
  "description": "A ServiceNow change request record.",
  "properties": {
    "sys_id": {
      "type": "string",
      "description": "Unique identifier for the change request.",
      "example": "500123"
    },
    "number": {
      "type": "string",
      "description": "The human-readable change request number.",
      "example": "example_value"
    },
    "short_description": {
      "type": "string",
      "description": "A brief summary of the change.",
      "example": "example_value"
    },
    "description": {
      "type": "string",
      "description": "A detailed description of the change and its purpose.",
      "example": "A sample description."
    },
    "type": {
      "type": "string",
      "description": "The change type: normal, standard, or emergency.",
      "example": "normal",
      "enum": [
        "normal",
        "standard",
        "emergency"
      ]
    },
    "state": {
      "type": "string",
      "description": "The current state of the change request in its lifecycle.",
      "example": "example_value"
    },
    "priority": {
      "type": "string",
      "description": "The priority level of the change request.",
      "example": "1",
      "enum": [
        "1",
        "2",
        "3",
        "4"
      ]
    },
    "risk": {
      "type": "string",
      "description": "The risk level assessed for this change.",
      "example": "example_value"
    },
    "impact": {
      "type": "string",
      "description": "The impact level of this change.",
      "example": "example_value"
    },
    "category": {
      "type": "string",
      "description": "The category of the change.",
      "example": "example_value"
    },
    "assigned_to": {
      "type": "string",
      "description": "The sys_id of the user assigned to implement the change.",
      "example": "example_value"
    },
    "assignment_group": {
      "type": "string",
      "description": "The sys_id of the group responsible for the change.",
      "example": "example_value"
    },
    "requested_by": {
      "type": "string",
      "description": "The sys_id of the user who requested the change.",
      "example": "example_value"
    },
    "start_date": {
      "type": "string",
      "description": "The planned start date and time for the change.",
      "format": "date-time",
      "example": "2026-01-15T10:30:00Z"
    },
    "end_date": {
      "type": "string",
      "description": "The planned end date and time for the change.",
      "format": "date-time",
      "example": "2026-01-15T10:30:00Z"
    },
    "cmdb_ci": {
      "type": "string",
      "description": "The sys_id of the configuration item affected by this change.",
      "example": "example_value"
    },
    "close_code": {
      "type": "string",
      "description": "The close code indicating how the change was resolved.",
      "example": "example_value"
    },
    "close_notes": {
      "type": "string",
      "description": "Notes recorded when closing the change request.",
      "example": "example_value"
    },
    "approval": {
      "type": "string",
      "description": "The current approval status.",
      "example": "example_value"
    },
    "sys_created_on": {
      "type": "string",
      "description": "The date and time the change request was created.",
      "format": "date-time",
      "example": "2026-01-15T10:30:00Z"
    },
    "sys_updated_on": {
      "type": "string",
      "description": "The date and time the change request was last updated.",
      "format": "date-time",
      "example": "2026-01-15T10:30:00Z"
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ChangeRequest"
}