# isAlipayPlusSupportedRegion

The **isAlipayPlusSupportedRegion** API is used by the MPP app to check whether the user is in Alipay+ supported region.

> **Note**: The API may return an incorrect result with the `false` value in the following conditions:
>
> -   The API is called for the first time after the MPP app integrates the SDK.
> -   The API is called for the first time after the MPP app clears the cache.

## Method signature

```objectivec
- (BOOL)isAlipayPlusSupportedRegion:(NSString *)region;
```

## Request parameters

| **Name** | **Type** | **Length** | **Description** | **Required** |
| --- | --- | --- | --- | --- |
| region | NSString | / | The region where the user is located. It is recommended to pass in the region if the MPP can obtain the user's location accurately. Otherwise, there is no need to pass in the region, and the user's location can be obtained automatically by the SDK based on time zone. | O |

## Response parameters

| **Type** | **Length** | **Description** | **Required** |
| --- | --- | --- | --- |
| BOOL | / | Specify whether the user is in Alipay+ supported region. | M |

## Sample

```objectivec
BOOL isRegionSupported = [[MPPAlipayPlusClient shared] isAlipayPlusSupportedRegion:@"PH"];
```