rules/conditions/azure/appServices/isAppService.json

{
  "filter": [
    {
      "conditions": [
        [
          "kind",
          "match",
          "^(app|app,linux)$"
        ],
        [
          "type",
          "match",
          "^Microsoft\\.Web/sites$"
        ]
      ],
      "operator": "and"
    }
  ]
}