# ProductAvailability Criterion

The `ProductAvailability` Search Criterion searches for products by their availability.

## Arguments

- (optional) `productAvailability` - bool representing whether the product is available (default `true`)

## Example

### PHP

```
$query = new ProductQuery(
    null,
    new \Ibexa\Contracts\ProductCatalog\Values\Product\Query\Criterion\ProductAvailability(true)
);
```

### REST API

**XML**

```
<ProductQuery>
    <Filter>
        <ProductAvailabilityCriterion>false</ProductAvailabilityCriterion
    </Filter>
</ProductQuery>
```

**JSON**

```
{
    "ProductQuery": {
        "Filter": {
            "ProductAvailabilityCriterion": false
        }
    }
}
```