# Backend appId Config Update


A configuration object that contains the authentication resources required for a user to access the Amplify Admin UI.

## URI


`/prod/backend/appId/config/update`

## HTTP methods


### POST


**Operation ID:** `UpdateBackendConfig`

Updates the AWS resources required to access the Amplify Admin UI.


**Path parameters**  

| Name | Type | Required | Description | 
| --- |--- |--- |--- |
| appId | String | True | The app ID. | 


**Responses**  

| Status code | Response model | Description | 
| --- |--- |--- |
| 200 | BackendConfigRespObj | 200 response | 
| 400 | BadRequestException | 400 response | 
| 404 | NotFoundException | 404 response | 
| 429 | LimitExceededException | 429 response | 
| 504 | InternalServiceException | 504 response | 

### OPTIONS


Enables CORS by returning the correct headers.


**Path parameters**  

| Name | Type | Required | Description | 
| --- |--- |--- |--- |
| appId | String | True | The app ID. | 


**Responses**  

| Status code | Response model | Description | 
| --- |--- |--- |
| 200 | None | 200 response | 

## Schemas


### Request bodies


#### POST schema
POST

```
{
  "loginAuthConfig": {
    "aws_user_pools_id": "string",
    "aws_cognito_identity_pool_id": "string",
    "aws_cognito_region": "string",
    "aws_user_pools_web_client_id": "string"
  }
}
```

### Response bodies


#### BackendConfigRespObj schema
BackendConfigRespObj

```
{
  "backendManagerAppId": "string",
  "loginAuthConfig": {
    "aws_user_pools_id": "string",
    "aws_cognito_identity_pool_id": "string",
    "aws_cognito_region": "string",
    "aws_user_pools_web_client_id": "string"
  },
  "appId": "string",
  "error": "string"
}
```

#### BadRequestException schema
BadRequestException

```
{
  "message": "string"
}
```

#### NotFoundException schema
NotFoundException

```
{
  "message": "string",
  "resourceType": "string"
}
```

#### LimitExceededException schema
LimitExceededException

```
{
  "message": "string",
  "limitType": "string"
}
```

#### InternalServiceException schema
InternalServiceException

```
{
  "message": "string"
}
```

## Properties


### BackendConfigRespObj


The response object for this operation.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| appId | string | False | The app ID. | 
| backendManagerAppId | string | False | The app ID for the backend manager. | 
| error | string | False | If the request fails, this error is returned. | 
| loginAuthConfig | [LoginAuthConfigReqObj](#backend-appid-config-update-model-loginauthconfigreqobj) | False | Describes the Amazon Cognito configurations for the Admin UI auth resource to log in with. | 

### BadRequestException


An error returned if a request is not formed properly.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| message | string | False | An error message to inform that the request failed. | 

### InternalServiceException


An error returned if there's a temporary issue with the service.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| message | string | False | An error message to inform that the request failed. | 

### LimitExceededException


An error that is returned when a limit of a specific type has been exceeded.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| limitType | string | False | The type of limit that was exceeded. | 
| message | string | False | An error message to inform that the request has failed. | 

### LoginAuthConfigReqObj


The request object for this operation.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| aws\$1cognito\$1identity\$1pool\$1id | string | False | The Amazon Cognito identity pool ID used for the Amplify Admin UI login authorization. | 
| aws\$1cognito\$1region | string | False | The AWS Region for the Amplify Admin UI login. | 
| aws\$1user\$1pools\$1id | string | False | The Amazon Cognito user pool ID used for Amplify Admin UI login authentication. | 
| aws\$1user\$1pools\$1web\$1client\$1id | string | False | The web client ID for the Amazon Cognito user pools. | 

### NotFoundException


An error returned when a specific resource type is not found.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| message | string | False | An error message to inform that the request has failed. | 
| resourceType | string | False | The type of resource that is not found. | 

### UpdateBackendConfigReqObj


The request object for this operation.


| Property | Type | Required | Description | 
| --- |--- |--- |--- |
| loginAuthConfig | [LoginAuthConfigReqObj](#backend-appid-config-update-model-loginauthconfigreqobj) | False | Describes the Amazon Cognito configuration for Admin UI access. | 

## See also


For more information about using this API in one of the language-specific AWS SDKs and references, see the following:

### UpdateBackendConfig

+ [AWS Command Line Interface V2](/goto/cli2/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for .NET V4](/goto/DotNetSDKV4/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for C\$1\$1](/goto/SdkForCpp/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for Go v2](/goto/SdkForGoV2/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for Java V2](/goto/SdkForJavaV2/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for JavaScript V3](/goto/SdkForJavaScriptV3/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for Kotlin](/goto/SdkForKotlin/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for PHP V3](/goto/SdkForPHPV3/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for Python](/goto/boto3/amplifybackend-2020-08-11/UpdateBackendConfig)
+ [AWS SDK for Ruby V3](/goto/SdkForRubyV3/amplifybackend-2020-08-11/UpdateBackendConfig)