Youtube Analytics Group Item Structure

{
  "type": "object",
  "description": "A groupItem resource identifies a resource, such as a video, channel, or playlist, that is part of a group. A group can contain a maximum of 500 items and only items of the same type (videos, channels, playlists, or assets).",
  "name": "GroupItem",
  "properties": {
    "kind": {
      "type": "string",
      "description": "Identifies the API resource's type. Value is youtube#groupItem."
    },
    "etag": {
      "type": "string",
      "description": "The Etag of this resource."
    },
    "id": {
      "type": "string",
      "description": "The ID that YouTube uses to uniquely identify the groupItem resource."
    },
    "groupId": {
      "type": "string",
      "description": "The ID that YouTube uses to uniquely identify the group that contains the item."
    },
    "resource": {
      "type": "object",
      "description": "The resource object contains information that identifies the item being added to the group.",
      "properties": {
        "kind": {
          "type": "string",
          "description": "Identifies the type of resource being added to the group.",
          "enum": [
            "youtube#channel",
            "youtube#playlist",
            "youtube#video",
            "youtubePartner#asset"
          ]
        },
        "id": {
          "type": "string",
          "description": "The channel, video, playlist, or asset ID that YouTube uses to uniquely identify the item being added to the group."
        }
      }
    }
  },
  "$schema": "https://json-structure.org/draft/2020-12/schema"
}