capabilities.json

{
  "dataRoles": [
    {
      "displayName": "Values",
      "name": "values",
      "kind": "GroupingOrMeasure"
    }
  ],
  "objects": {
  },
  "dataViewMappings": [
    {
      "categorical": {
        "categories": {
          "for": {
            "in": "values"
          }
        }
      },
      "conditions": [
        {
          "values": {
            "min": 2
          }
        }
      ]
    }
  ]
}