# Sibling Criterion

The [`Sibling` Search Criterion](https://doc.ibexa.co/en/latest/api/php_api/php_api_reference/classes/Ibexa-Contracts-Core-Repository-Values-Content-Query-Criterion-Sibling.html) searches for content under the same parent as the indicated location.

## Arguments

- `locationId` - int representing the location ID
- `parentLocationId` - int representing the parent location ID

## Example

### PHP

```
$query->query = new Criterion\Sibling(59, 2);
```

You can also use the named constructor `Criterion\Sibling::fromLocation` and provide it with the location object:

```
$location = $locationService->loadLocation(59);
$query->query = Criterion\Sibling::fromLocation($location);
```

### REST API

### REST API

**XML**

```
<Query>
    <Filter>
        <SiblingCriterion>
            <locationId>85</locationId>
            <parentLocationId>81</parentLocationId>
        </SiblingCriterion>
    </Filter>
</Query>
```

**JSON**

```
"Query": {
    "Filter": {
        "SiblingCriterion": {
            "locationId": 85,
            "parentLocationId": 81
        }
    }
}
```