Tagging in Umbraco

{
  "route": {
    "url": "{url}"
  },
  "triggers": {
    "umbraco": ["site"]
  },
  "properties": {
    "blocks": {
      "type": "array",
      "input": "{p.blocks}",
      "items": {
        "type": "partial",
        "input": "{item}",
        "alias": "Block-{item.contentType}"
      }
    }
  }
}

{
  "alias": "Block-articlesByTag",
  "properties": {
    "alias": "{item.contentType}",
    "title": "{item.content.title}",
    "articles": {
      "type": "array",
      "input": {
        "$lookup": {
          "filter": "type eq 'article' and properties.tags/any(t: t.id eq '{item.content.tag}')",
          "top": "{item.content.top}",
          "orderBy": {
            "property": "p.publishedAt",
            "sort": "desc"
          }
        }
      },
      "items": {
        "type": "object",
        "properties": {
          "title": "{item.p.title ?? item.p.metaData.name}",
          "subheader": "{item.p.subheader}",
          "publishedAt": "{item.p.publishedAt}",
          "tags": {
            "type": "array",
            "input": "{item.p.tags}",
            "var": "tag",
            "items": "{tag.name}"
          }
        }
      }
    }
  }
}

{
  "meta": {
    "status": 200,
    "redirect": null
  },
  "route": {
    "blocks": [
      {
        "alias": "articlesByTag",
        "title": "Hey Vancouver",
        "articles": [
          {
            "title": "Canucks camp notebook: Sporting new look, Boeser striving for consistency",
            "subheader": "Dan Murphy and Iain MacIntyre discuss the latest news surrounding Elias Pettersson and Quinn Hughes, as well as what's happening with Travis Hamonic",
            "publishedAt": "09/28/2021 00:00:00",
            "tags": ["Vancouver Canucks", "Ice hockey"]
          },
          {
            "title": "Canucks Sign Forward Jason Dickinson",
            "subheader": "...to a three-year contract",
            "publishedAt": "09/02/2021 00:00:00",
            "tags": ["Ice hockey", "Vancouver Canucks"]
          },
          {
            "title": "NHL expects full capacity in all cities except Vancouver and Montreal",
            "subheader": "",
            "publishedAt": "08/30/2021 00:00:00",
            "tags": ["Vancouver Canucks", "Ice hockey"]
          }
        ]
      },
      {
        "alias": "articlesByTag",
        "title": "What is happening in #basketball?",
        "articles": [
          {
            "title": "Position breakdown: Maximizing Porzingis a priority among big men",
            "subheader": "When you have one of the tallest players in the NBA, one with a rare skill set of inside and outside capabilities, it makes sense to maximize his assets.",
            "publishedAt": "09/27/2021 00:00:00",
            "tags": ["Basketball"]
          },
          {
            "title": "Will Kidd get the best out of Doncic?",
            "subheader": "The savvy former guard looks to bring his Hall of Fame expertise to Dallas.",
            "publishedAt": "09/14/2021 00:00:00",
            "tags": ["Basketball"]
          }
        ]
      }
    ]
  },
  "views": {}
}