# Subtree Criterion

Subtree Search Criterion

The [`Subtree` Search Criterion](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Core-Repository-Values-Content-Query-Criterion-Subtree.html) searches for content based on its location ID subtree path. It returns the content item and all the content items below it in the subtree.

## Arguments

- `value` - string(s) representing the pathstring(s) to search for

## Example

### PHP

```php
use Ibexa\Contracts\Core\Repository\Values\Content\Query;
use Ibexa\Contracts\Core\Repository\Values\Content\Query\Criterion;

$query = new Query();
$query->query = new Criterion\Subtree('/1/2/71/72/');
```

### REST API

**XML**

```xml
<Query>
    <Filter>
        <SubtreeCriterion>/1/2/71/</SubtreeCriterion>
    </Filter>
</Query>
```

**JSON**

```json
"Query": {
    "Filter": {
        "SubtreeCriterion": "/1/2/71/"
    }
}
```