Event source

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/EventSource",
  "title": "Event source",
  "type": "object",
  "x-box-resource-id": "event_source",
  "description": "The source file or folder that triggered an event in\nthe event stream.",
  "required": [
    "item_type",
    "item_id",
    "item_name"
  ],
  "properties": {
    "item_type": {
      "type": "string",
      "nullable": false,
      "enum": [
        "file",
        "folder"
      ],
      "description": "The type of the item that the event\nrepresents. Can be `file` or `folder`.\n",
      "example": "file"
    },
    "item_id": {
      "type": "string",
      "nullable": false,
      "description": "The unique identifier that represents the\nitem.\n",
      "example": "560284318361"
    },
    "item_name": {
      "type": "string",
      "nullable": false,
      "description": "The name of the item.\n",
      "example": "report.pdf"
    },
    "classification": {
      "type": "object",
      "description": "The object containing classification information for the item that\ntriggered the event. This field will not appear if the item does not\nhave a classification set.",
      "properties": {
        "name": {
          "type": "string",
          "description": "The classification's name",
          "example": "Top Secret"
        }
      }
    },
    "parent": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Folder--Mini"
        },
        {
          "description": "The optional folder that this folder is located within.\n\nThis value may be `null` for some folders such as the\nroot folder or the trash folder."
        }
      ],
      "nullable": true
    },
    "owned_by": {
      "allOf": [
        {
          "$ref": "#/components/schemas/User--Mini"
        },
        {
          "description": "The user who owns this item."
        },
        {
          "nullable": false
        }
      ]
    }
  }
}