# AttachItem


## Fields

| Field                                                                                                                                           | Type                                                                                                                                            | Required                                                                                                                                        | Description                                                                                                                                     |
| ----------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- |
| `type`                                                                                                                                          | [OptionalNullable[models.AttachType]](../models/attachtype.md)                                                                                  | :heavy_minus_sign:                                                                                                                              | The type of the product item.                                                                                                                   |
| `feature_id`                                                                                                                                    | *OptionalNullable[str]*                                                                                                                         | :heavy_minus_sign:                                                                                                                              | The feature ID of the product item. Should be null for fixed price items.                                                                       |
| `included_usage`                                                                                                                                | [OptionalNullable[models.IncludedUsage]](../models/includedusage.md)                                                                            | :heavy_minus_sign:                                                                                                                              | The amount of usage included for this feature (per interval).                                                                                   |
| `interval`                                                                                                                                      | [OptionalNullable[models.AttachInterval]](../models/attachinterval.md)                                                                          | :heavy_minus_sign:                                                                                                                              | The reset or billing interval of the product item. If null, feature will have no reset date, and if there's a price, it will be billed one-off. |
| `interval_count`                                                                                                                                | *OptionalNullable[float]*                                                                                                                       | :heavy_minus_sign:                                                                                                                              | Interval count of the feature.                                                                                                                  |
| `entity_feature_id`                                                                                                                             | *OptionalNullable[str]*                                                                                                                         | :heavy_minus_sign:                                                                                                                              | The feature ID of the entity (like seats) to track sub-balances for.                                                                            |
| `usage_model`                                                                                                                                   | [OptionalNullable[models.UsageModel]](../models/usagemodel.md)                                                                                  | :heavy_minus_sign:                                                                                                                              | Whether the feature should be prepaid upfront or billed for how much they use end of billing period.                                            |
| `price`                                                                                                                                         | *OptionalNullable[float]*                                                                                                                       | :heavy_minus_sign:                                                                                                                              | The price of the product item. Should be null if tiered pricing is set.                                                                         |
| `tiers`                                                                                                                                         | List[[models.Tiers](../models/tiers.md)]                                                                                                        | :heavy_minus_sign:                                                                                                                              | Tiered pricing for the product item. Not applicable for fixed price items.                                                                      |
| `billing_units`                                                                                                                                 | *OptionalNullable[float]*                                                                                                                       | :heavy_minus_sign:                                                                                                                              | The billing units of the product item (eg $1 for 30 credits).                                                                                   |
| `reset_usage_when_enabled`                                                                                                                      | *OptionalNullable[bool]*                                                                                                                        | :heavy_minus_sign:                                                                                                                              | Whether the usage should be reset when the product is enabled.                                                                                  |