# FundingSourceDex.encodeConfigData

Encodes native DEX source configuration passed to funding hooks as `configData`.

The DEX uses the same encoding for execution and configuration data.

## Imports

:::code-group
```ts [Named]
import { FundingSourceDex } from 'ox/tempo'
```

```ts [Entrypoint]
import * as FundingSourceDex from 'ox/tempo/FundingSourceDex'
```
:::

## Examples

```ts
import { FundingSourceDex } from 'ox/tempo'

FundingSourceDex.encodeConfigData({
  maxAmountIn: 30_000_000n,
  tokenIn: '0x20c0000000000000000000000000000000000001'
})
```

## Definition

```ts
function encodeConfigData(
  config: FundingSourceDex.Request,
): Hex.Hex
```

**Source:** [src/tempo/FundingSourceDex.ts](https://github.com/wevm/ox/blob/main/src/tempo/FundingSourceDex.ts#L72)

## Parameters

### config

* **Type:** [`FundingSourceDex.Request`](/tempo/reference/FundingSourceDex/types#fundingsourcedexrequest)

#### config.maxAmountIn

* **Type:** `bigint`
* **Optional**

Input cap in base units. Omission is unlimited; zero permits no input.

#### config.tokenIn

* **Type:** `abitype_Address`

Input token to exchange for the required token.

## Return Type

`Hex.Hex`