# AttributeGroupIdentifier Criterion

The `AttributeGroupIdentifier` Search Criterion searches for products by the value of their attribute group identifier.

## Arguments

- `value` - string representing the attribute's identifier

## Example

### REST API

**XML**

```
<AttributeQuery>
    <Query>
        <AttributeGroupIdentifier>attribute_group</AttributeGroupIdentifier>
    </Query>
</AttributeQuery>
```

**JSON**

```
{
  "AttributeQuery": {
    "Query": {
      "AttributeGroupIdentifier": "attribute_group"
    }
  }
}
```