{
  "name": "setCustomEmojiStickerSetThumbnail",
  "anchor": "setcustomemojistickersetthumbnail",
  "description": [
    "Use this method to set the thumbnail of a custom emoji sticker set. Returns True on success."
  ],
  "table": {
    "headers": [
      "Parameter",
      "Type",
      "Required",
      "Description"
    ],
    "rows": [
      {
        "parameter": "name",
        "type": "String",
        "required": "Yes",
        "description": "Sticker set name"
      },
      {
        "parameter": "custom_emoji_id",
        "type": "String",
        "required": "Optional",
        "description": "Custom emoji identifier of a sticker from the sticker set; pass an empty string to drop the thumbnail and use the first sticker as the thumbnail."
      }
    ]
  },
  "notes": []
}