# BillingPreviewUpdateFeatureQuantities ## Fields | Field | Type | Required | Description | | ------------------ | ------------------ | ------------------ | ------------------ | | `feature_id` | *str* | :heavy_check_mark: | N/A | | `quantity` | *Optional[float]* | :heavy_minus_sign: | N/A | | `adjustable` | *Optional[bool]* | :heavy_minus_sign: | N/A |