## Confirm Bacs Debit setup

Use `stripe.confirmBacsDebitSetup` in the [Bacs Direct Debit Payments](/payments/payment-methods/bacs-debit.md) flow when the customer submits your payment form.
When called, it will confirm the [SetupIntent](/api/setup_intents.md) with `data` you provide.
Note that there are some additional requirements to this flow that are not covered in this reference.
Refer to our [integration guide](/payments/payment-methods/bacs-debit.md) for more details.

When you confirm a `SetupIntent`, it needs to have an attached [PaymentMethod](/api/payment_methods.md).
In addition to confirming the `SetupIntent`, this method can automatically create and attach a new `PaymentMethod` for you.
It can also be called with an existing `PaymentMethod`, or if you have already attached a `PaymentMethod` you can call this method without needing to provide any additional data.
These use cases are detailed in the sections that follow.

> Note that `stripe.confirmBacsDebitSetup` may take several seconds to complete.
> During that time, you should disable your form from being resubmitted and show a waiting indicator like a spinner.
> If you receive an error result, you should be sure to show that error to the customer, re-enable the form, and hide the waiting indicator.

`stripe.confirmBacsDebitSetup` will return a `Promise` which resolves with a `result` object.
This object has either:

* `result.setupIntent`: the successful [SetupIntent](/api/setup_intents).
* `result.error`: an error.
  Refer to the [API reference](/api/errors) for all possible errors.

**Syntax:** `stripe.confirmBacsDebitSetup(...)`

- `clientSecret` (string) **required**
  The [client secret](/api/setup_intents/object.md#setup_intent_object-client_secret) of the `SetupIntent`.

- `data` (object)
  Data to be sent with the request.
Refer to the [Setup Intents API](/api/setup_intents/confirm.md) for a full list of parameters.

  - `payment_method` (object | string)
    The `id` of an existing PaymentMethod or an object of collected data.
See use cases below for details.

### Use case: with self collected data

You can also pass in the customer’s bank account information directly to create a new `PaymentMethod` and confirm the `SetupIntent`.
Additionally, to create a Bacs Direct Debit `PaymentMethod`, you are required to collect and include the account holder's name and the customer's email address.

### Data argument properties

- `payment_method` (object) **required**
  Pass an object to confirm using payment method data.

  - `bacs_debit` (object) **required**
    An object of self-collected bank account data.

    - `account_number` (string) **required**
      A bank account number.

    - `sort_code` (string) **required**
      A sort code.

  - `billing_details` (object) **required**
    The customer's [billing_details](/api/payment_methods/create.md#create_payment_method-billing_details).
`name` and `email` are required.

    - `address` (string) **required**
      The account holder's address.

      - `line1` (string) **required**
        Line 1 of the account holder's address.

      - `city` (string) **required**
        The account holder's city.

      - `country` (string) **required**
        The account holder's country.

      - `postal_code` (string) **required**
        The account holder's postal code.

    - `name` (string) **required**
      The account holder's name.

    - `email` (string) **required**
      The customer's email.

### Confirm with self collected data

```js
stripe
  .confirmBacsDebitSetup('{SETUP_INTENT_CLIENT_SECRET}', {
    payment_method: {
      bacs_debit: {
        sort_code: '108800',
        account_number: '000123456'
      },
      billing_details: {
        address: {
          line1: addressLine1,
          city: addressCity,
          country: addressCountry,
          postal_code: addressPostalCode,
        },
        email: customerEmail,
        name: customerName,
      },
    },
  })
  .then(function(result) {
    // Handle result.error or result.setupIntent
  });
```

```es_next
const {setupIntent, error} = await stripe.confirmBacsDebitSetup(
  '{SETUP_INTENT_CLIENT_SECRET}',
  {
    payment_method: {
      bacs_debit: {
        sort_code: '108800',
        account_number: '000123456'
      },
      billing_details: {
        address: {
          line1: addressLine1,
          city: addressCity,
          country: addressCountry,
          postal_code: addressPostalCode,
        },
        email: customerEmail,
        name: customerName,
      },
    },
  },
);
```

### Use case: with an existing payment method

If you have already created a `PaymentMethod`, you can pass its `id` to `payment_method` when calling `stripe.confirmBacsDebitSetup` and it will be used to confirm the `SetupIntent`.

### Data argument properties

- `payment_method` (string) **required**
  The `id` of an existing `PaymentMethod`.

### Confirm with existing payment method

```js
stripe
  .confirmBacsDebitSetup('{SETUP_INTENT_CLIENT_SECRET}', {
    payment_method: '{PAYMENT_METHOD_ID}',
  })
  .then(function(result) {
    // Handle result.error or result.setupIntent
  });
```

```es_next
const {error, setupIntent} = await stripe.confirmBacsDebitSetup(
  '{SETUP_INTENT_CLIENT_SECRET}',
  {
    payment_method: '{PAYMENT_METHOD_ID}',
  },
);
```

### Confirm Bacs Debit setup

```js
stripe
  .confirmBacsDebitSetup('{SETUP_INTENT_CLIENT_SECRET}', {
    payment_method: {
      bacs_debit: {
        sort_code: '108800',
        account_number: '000123456'
      },
      billing_details: {
        address: {
          line1: addressLine1,
          city: addressCity,
          country: addressCountry,
          postal_code: addressPostalCode,
        },
        email: customerEmail,
        name: customerName,
      },
    },
  })
  .then(function(result) {
    // Handle result.error or result.setupIntent
  });
```

```es_next
const {setupIntent, error} = await stripe.confirmBacsDebitSetup(
  '{SETUP_INTENT_CLIENT_SECRET}',
  {
    payment_method: {
      bacs_debit: {
        sort_code: '108800',
        account_number: '000123456'
      },
      billing_details: {
        address: {
          line1: addressLine1,
          city: addressCity,
          country: addressCountry,
          postal_code: addressPostalCode,
        },
        email: customerEmail,
        name: customerName,
      },
    },
  },
);
```