# Incremental Authorization

## Overview

The `incrementalAuthorization` method increases the authorized amount.

## Request Fields

| Field                     | Type   | Required | Description         |
| ------------------------- | ------ | -------- | ------------------- |
| `merchantAuthorizationId` | String | Yes      | Incremental auth ID |
| `connectorTransactionId`  | String | Yes      | Original auth ID    |
| `amount`                  | Money  | Yes      | New total amount    |
| `reason`                  | String | No       | Reason              |

## Response Fields

| Field    | Type                | Description |
| -------- | ------------------- | ----------- |
| `status` | AuthorizationStatus | AUTHORIZED  |

## Example

```java
Map<String, Object> request = new HashMap<>();
request.put("merchantAuthorizationId", "incr_auth_001");
request.put("connectorTransactionId", "pi_xxx");
request.put("amount", Map.of("minorAmount", 1500, "currency", "USD"));
request.put("reason", "Room service");

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