> ## Documentation Index
> Fetch the complete documentation index at: https://frenglish.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# useSelectPaymentModal

> Hook for opening the payment selection modal

## Import

```tsx theme={null}
import { useSelectPaymentModal } from '@0xsequence/checkout'
```

## Usage

```tsx theme={null}
import { useSelectPaymentModal } from '@0xsequence/checkout'
import { encodeFunctionData, toHex } from 'viem'
import { useAccount } from 'wagmi'

function App() {
  const { address } = useAccount()
  const { openSelectPaymentModal } = useSelectPaymentModal()
  
  const handleCheckout = () => {
    if (!address) return
    
    // ERC-20 payment settings
    const currencyAddress = '0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359' // USDC on Polygon
    const salesContractAddress = '0xe65b75eb7c58ffc0bf0e671d64d0e1c6cd0d3e5b'
    const collectionAddress = '0xdeb398f41ccd290ee5114df7e498cf04fac916cb'
    const price = '20000' // Price in smallest unit (0.02 USDC)
    const chainId = 137 // Polygon
    
    // NFT details
    const collectibles = [
      {
        tokenId: '1',
        quantity: '1'
      }
    ]
    
    // Transaction data for the ERC-1155 mint function
    const purchaseTransactionData = encodeFunctionData({
      abi: ERC_1155_SALE_CONTRACT, // Your contract ABI
      functionName: 'mint',
      args: [
        address,
        collectibles.map(c => BigInt(c.tokenId)),
        collectibles.map(c => BigInt(c.quantity)),
        toHex(0),
        currencyAddress,
        price,
        [toHex(0, { size: 32 })]
      ]
    })
    
    // Open the payment selection modal
    openSelectPaymentModal({
      collectibles,
      chain: chainId,
      price,
      targetContractAddress: salesContractAddress,
      recipientAddress: address,
      currencyAddress,
      collectionAddress,
      creditCardProviders: ['sardine', 'transak'],
      transakConfig: {
        contractId: 'your-contract-id',
        apiKey: 'your-api-key'
      },
      copyrightText: 'ⓒ2024 Your Company',
      onSuccess: (txnHash: string) => {
        console.log('success!', txnHash)
      },
      onError: (error: Error) => {
        console.error(error)
      },
      onClose: () => {
        console.log('modal closed!')
      },
      txData: purchaseTransactionData
    })
  }
  
  return (
    <button onClick={handleCheckout}>
      Buy NFT with multiple payment options
    </button>
  )
}
```

## Return Type: `UseSelectPaymentModalReturnType`

The hook returns an object with the following properties:

```tsx theme={null}
type UseSelectPaymentModalReturnType = {
  openSelectPaymentModal: (settings: SelectPaymentSettings) => void
  closeSelectPaymentModal: () => void
  selectPaymentSettings: SelectPaymentSettings | undefined
}
```

### Properties

#### openSelectPaymentModal

`(settings: SelectPaymentSettings) => void`

Function to open the Payment Selection modal with the specified settings.

**Parameters:**

The `settings` object can include the following properties:

| Parameter               | Type                                         | Description                                                          |
| ----------------------- | -------------------------------------------- | -------------------------------------------------------------------- |
| `collectibles`          | `Array<{tokenId: string, quantity: string}>` | Array of collectibles to purchase                                    |
| `chain`                 | `number`                                     | Blockchain network ID                                                |
| `price`                 | `string`                                     | Price in smallest unit of the currency                               |
| `targetContractAddress` | `string`                                     | Address of the contract to interact with                             |
| `recipientAddress`      | `string`                                     | Address to receive the purchased items                               |
| `currencyAddress`       | `string`                                     | Address of the currency token contract                               |
| `collectionAddress`     | `string`                                     | Address of the NFT collection contract                               |
| `creditCardProviders`   | `string[]`                                   | List of supported credit card providers (e.g., 'sardine', 'transak') |
| `transakConfig`         | `object`                                     | Configuration for Transak integration                                |
| `copyrightText`         | `string`                                     | Copyright text to display in the modal                               |
| `onSuccess`             | `(txnHash: string) => void`                  | Callback when transaction succeeds                                   |
| `onError`               | `(error: Error) => void`                     | Callback when an error occurs                                        |
| `onClose`               | `() => void`                                 | Callback when the modal is closed                                    |
| `txData`                | `string`                                     | Encoded transaction data for the purchase                            |

#### closeSelectPaymentModal

`() => void`

Function to close the Payment Selection modal.

#### selectPaymentSettings

`SelectPaymentSettings | undefined`

The current settings configuration for the Payment Selection modal.

## Notes

This hook provides methods to control the Payment Selection modal that allows users to purchase digital assets with multiple payment options. The modal offers various payment methods including:

* Pay with cryptocurrency from the user's wallet
* Swap tokens to pay with a different cryptocurrency
* Pay with credit/debit card
* Receive funds from another wallet