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# Geo Hash Grid Aggregation
> More info about geo hash grid aggregation is in the [official elasticsearch docs][1]
A multi-bucket aggregation that works on geo_point fields and groups points into buckets
that represent cells in a grid.
## Simple example
```JSON
{
"aggregations" : {
"GrainGeoHashGrid" : {
"geohash_grid" : {
"field" : "location",
"precision" : 3
}
}
}
}
```
And now the query via DSL:
```php
$geoHashGridAggregation = new GeoHashGridAggregation(
'GrainGeoHashGrid',
'location',
3
);
$search = new Search();
$search->addAggregation($geoHashGridAggregation);
$queryArray = $search->toArray();
```
[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-geohashgrid-aggregation.html
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