{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.customExtensionCalloutRequest",
  "title": "customExtensionCalloutRequest",
  "required": [
    "@odata.type"
  ],
  "type": "object",
  "properties": {
    "data": {
      "anyOf": [
        {
          "$ref": "#/components/schemas/microsoft.graph.customExtensionData"
        },
        {
          "type": "object",
          "nullable": true
        }
      ],
      "description": "Contains the data that will be provided to the external system."
    },
    "source": {
      "type": "string",
      "description": "Identifies the source system or event context related to the callout request.",
      "nullable": true
    },
    "type": {
      "type": "string",
      "description": "Describes the type of event related to the callout request.",
      "nullable": true
    },
    "@odata.type": {
      "type": "string"
    }
  }
}