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# Min Aggregation
> More info about min aggregation is in the [official elasticsearch docs][1]
A single-value metrics aggregation that keeps track and returns the minimum value among
numeric values extracted from the aggregated documents.
## Simple example
```JSON
{
"aggregations" : {
"min_price" : { "min" : { "field" : "price" } }
}
}
```
And now the query via DSL:
```php
$minAggregation = new MinAggregation('min_price', 'price');
$search = new Search();
$search->addAggregation($minAggregation);
$queryArray = $search->toArray();
```
[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-min-aggregation.html
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