elasticsearch query

GET dd.dev.professional/_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_distance" : {
                    "distance" : "200km",
                    "location.geopoint" : {
                        "lat" : 48.8588376,
                        "lon" : 2.2768489
                    }
                }
            }
        }
    },
    "aggs": {
    "specialismCounts": {
      "nested": {
        "path": "specialisms"
      },
      "aggs": {
        "specialismCounts": {
          "terms": {
            "field": "specialisms.slug"
          }
        }
      }
    }
  }
}