{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://servicenow.com/schemas/servicenow/catalog-request.json",
  "title": "ServiceNow Catalog Request",
  "description": "A ServiceNow service catalog request record representing a user's request for one or more catalog items through the self-service portal.",
  "type": "object",
  "required": ["sys_id", "number", "request_state"],
  "properties": {
    "sys_id": {
      "type": "string",
      "pattern": "^[a-f0-9]{32}$",
      "description": "The unique 32-character system identifier for the request."
    },
    "number": {
      "type": "string",
      "pattern": "^REQ[0-9]+$",
      "description": "The human-readable request number, prefixed with REQ."
    },
    "request_state": {
      "type": "string",
      "description": "The current state of the request."
    },
    "stage": {
      "type": ["string", "null"],
      "description": "The current stage of the request in the fulfillment workflow."
    },
    "requested_for": {
      "$ref": "#/$defs/ReferenceField",
      "description": "The user for whom the catalog items were requested."
    },
    "opened_by": {
      "$ref": "#/$defs/ReferenceField",
      "description": "The user who submitted the request."
    },
    "opened_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time the request was submitted."
    },
    "delivery_address": {
      "type": ["string", "null"],
      "description": "The delivery address for physical items."
    },
    "special_instructions": {
      "type": ["string", "null"],
      "description": "Special instructions provided by the requester."
    },
    "price": {
      "type": ["string", "null"],
      "description": "The total price for all requested items."
    },
    "approval": {
      "type": ["string", "null"],
      "description": "The current approval status of the request."
    },
    "requested_items": {
      "type": "array",
      "description": "The line items in this request.",
      "items": {
        "$ref": "#/$defs/RequestedItem"
      }
    },
    "active": {
      "type": "boolean",
      "description": "Whether the request is still active."
    },
    "sys_created_on": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time the record was created."
    },
    "sys_created_by": {
      "type": "string",
      "description": "The user who created the record."
    },
    "sys_updated_on": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time the record was last updated."
    },
    "sys_updated_by": {
      "type": "string",
      "description": "The user who last updated the record."
    }
  },
  "$defs": {
    "ReferenceField": {
      "type": ["object", "string", "null"],
      "description": "A ServiceNow reference field that can be a sys_id string or an object containing a link and value.",
      "properties": {
        "link": {
          "type": "string",
          "format": "uri",
          "description": "The API URL to the referenced record."
        },
        "value": {
          "type": "string",
          "description": "The sys_id of the referenced record."
        },
        "display_value": {
          "type": "string",
          "description": "The display value of the referenced record."
        }
      }
    },
    "RequestedItem": {
      "type": "object",
      "description": "A requested catalog item within a service catalog request.",
      "properties": {
        "sys_id": {
          "type": "string",
          "description": "Unique identifier for the requested item."
        },
        "number": {
          "type": "string",
          "pattern": "^RITM[0-9]+$",
          "description": "The requested item number, prefixed with RITM."
        },
        "cat_item": {
          "$ref": "#/$defs/ReferenceField",
          "description": "The catalog item that was requested."
        },
        "quantity": {
          "type": "integer",
          "minimum": 1,
          "description": "The quantity of items requested."
        },
        "price": {
          "type": ["string", "null"],
          "description": "The price per item."
        },
        "stage": {
          "type": ["string", "null"],
          "description": "The current fulfillment stage."
        },
        "state": {
          "type": ["string", "null"],
          "description": "The current state of the requested item."
        },
        "assigned_to": {
          "$ref": "#/$defs/ReferenceField",
          "description": "The user assigned to fulfill the item."
        },
        "configuration_item": {
          "$ref": "#/$defs/ReferenceField",
          "description": "The configuration item associated with the request."
        }
      }
    }
  }
}