# Setup Recurring

## Overview

The `setupRecurring` method establishes a payment mandate for future charges.

## Request Fields

| Field                        | Type           | Required | Description                |
| ---------------------------- | -------------- | -------- | -------------------------- |
| `merchantRecurringPaymentId` | String         | Yes      | Recurring setup ID         |
| `amount`                     | Money          | Yes      | Initial amount             |
| `paymentMethod`              | PaymentMethod  | Yes      | Card details               |
| `address`                    | PaymentAddress | Yes      | Billing address            |
| `authType`                   | String         | Yes      | THREE\_DS or NO\_THREE\_DS |

## Response Fields

| Field              | Type          | Description     |
| ------------------ | ------------- | --------------- |
| `status`           | PaymentStatus | ACTIVE, FAILED  |
| `mandateReference` | Map           | Mandate details |

## Example

```java
Map<String, Object> request = new HashMap<>();
request.put("merchantRecurringPaymentId", "recurring_001");
request.put("amount", Map.of("minorAmount", 2900, "currency", "USD"));
request.put("authType", "NO_THREE_DS");

Map<String, Object> response = paymentClient.setupRecurring(request);
```