# LaneAddOnPrice

The price of one extra concurrency lane on a tier. Priced per lane type, so the types can diverge later, even though they start at the same price.

**Kind:** an object, used in responses.

## Fields

Every field is present in a response; empty ones are `null`.

| Field | Type | Description |
|---|---|---|
| `tier` | [`SkuTier`](https://docs.maitento.com/reference/types/sku-tier.md) | The plan the price is for. |
| `lane` | [`LaneType`](https://docs.maitento.com/reference/types/lane-type.md) | The kind of lane. |
| `annualPerMonth` | `number` | Per lane per month on an annual plan. |
| `monthly` | `number` | Per lane per month on a monthly plan. |

## Example

```json
{
  "tier": "Free",
  "lane": "Standard",
  "annualPerMonth": 0,
  "monthly": 0
}
```

## Where it's used

- Inside [`BillingCatalogueTier`](https://docs.maitento.com/reference/types/billing-catalogue-tier.md)
- Inside [`EffectiveEntitlements`](https://docs.maitento.com/reference/types/effective-entitlements.md)