{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/row-formatting.schema.json",
  "hideColumnHeader": true,
  "hideSelection": true,
  "groupProps": {
    "headerFormatter": {
      "elmType": "div",
      "txtContent": "@group.fieldData",
      "attributes": {
        "class": "sp-row-title ms-fontSize-xl"
      }
    }
  },
  "additionalRowClass": "ms-font-l ms-fontColor-neutralPrimary ms-bgColor-white--hover"
}