{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/column-formatting.schema.json",
  "elmType": "div",
  "style": {
    "font-weight": "bold"
  },
  "attributes": {
    "iconName": {
      "operator": "?",
      "operands": [
        "@currentField",
        "CheckMark",
        ""
      ]
    }
  }
}