# BillingPreviewAttachNextCycleLineItem ## Fields | Field | Type | Required | Description | | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | | `title` | *str* | :heavy_check_mark: | N/A | | `description` | *str* | :heavy_check_mark: | N/A | | `amount` | *float* | :heavy_check_mark: | N/A | | `discounts` | List[[models.BillingPreviewAttachNextCycleDiscount](../models/billingpreviewattachnextcyclediscount.md)] | :heavy_minus_sign: | N/A | | `is_base` | *Optional[bool]* | :heavy_minus_sign: | N/A | | `total_quantity` | *float* | :heavy_check_mark: | N/A | | `paid_quantity` | *float* | :heavy_check_mark: | N/A | | `plan_id` | *str* | :heavy_check_mark: | N/A | | `deferred_for_trial` | *Optional[bool]* | :heavy_minus_sign: | N/A | | `effective_period` | [Optional[models.BillingPreviewAttachNextCycleEffectivePeriod]](../models/billingpreviewattachnextcycleeffectiveperiod.md) | :heavy_minus_sign: | N/A |