# NativeAppFee

## Function: NativeAppFee()

> **NativeAppFee**(`address`, `chainId`): `object`

Retrieves fee details for a native application based on the given blockchain address and chain ID.

### Parameters

#### address

\`0x${string}\`

The application fee contract address to read the fee information from.

#### chainId

`number`

The chainid to read from.

### Returns

`object`

#### feeH1

> **feeH1**: `undefined` | `bigint`

The current fee in the native currency (H1).

#### feeUsd

> **feeUsd**: `undefined` | `bigint`

The current fee in USD equivalent value.

#### h1Usd

> **h1Usd**: `undefined` | `bigint`

The calculated conversion rate of the native currency to USD. Returns undefined if necessary data is unavailable.

### Defined in

[packages/wagmi/src/contract/NativeAppFee.tsx:9](https://github.com/haven1network/haven1-sdk/blob/df6267fec7b75040411529269f9c6a88e9c756ee/packages/wagmi/src/contract/NativeAppFee.tsx#L9)