# UpdateParameterGroup
<a name="API_UpdateParameterGroup"></a>

Updates the parameters of a parameter group. You can modify up to 20 parameters in a single request by submitting a list parameter name and value pairs.

## Request Syntax
<a name="API_UpdateParameterGroup_RequestSyntax"></a>

```
{
   "ParameterGroupName": "string",
   "ParameterNameValues": [ 
      { 
         "ParameterName": "string",
         "ParameterValue": "string"
      }
   ]
}
```

## Request Parameters
<a name="API_UpdateParameterGroup_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [ParameterGroupName](#API_UpdateParameterGroup_RequestSyntax) **   <a name="MemoryDB-UpdateParameterGroup-request-ParameterGroupName"></a>
The name of the parameter group to update.  
Type: String  
Required: Yes

 ** [ParameterNameValues](#API_UpdateParameterGroup_RequestSyntax) **   <a name="MemoryDB-UpdateParameterGroup-request-ParameterNameValues"></a>
An array of parameter names and values for the parameter update. You must supply at least one parameter name and value; subsequent arguments are optional. A maximum of 20 parameters may be updated per request.  
Type: Array of [ParameterNameValue](API_ParameterNameValue.md) objects  
Required: Yes

## Response Syntax
<a name="API_UpdateParameterGroup_ResponseSyntax"></a>

```
{
   "ParameterGroup": { 
      "ARN": "string",
      "Description": "string",
      "Family": "string",
      "Name": "string"
   }
}
```

## Response Elements
<a name="API_UpdateParameterGroup_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [ParameterGroup](#API_UpdateParameterGroup_ResponseSyntax) **   <a name="MemoryDB-UpdateParameterGroup-response-ParameterGroup"></a>
The updated parameter group  
Type: [ParameterGroup](API_ParameterGroup.md) object

## Errors
<a name="API_UpdateParameterGroup_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** InvalidParameterCombinationException **   
  
HTTP Status Code: 400

 ** InvalidParameterGroupStateFault **   
  
HTTP Status Code: 400

 ** InvalidParameterValueException **   
  
HTTP Status Code: 400

 ** ParameterGroupNotFoundFault **   
  
HTTP Status Code: 400

 ** ServiceLinkedRoleNotFoundFault **   
  
HTTP Status Code: 400

## See Also
<a name="API_UpdateParameterGroup_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/memorydb-2021-01-01/UpdateParameterGroup) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/memorydb-2021-01-01/UpdateParameterGroup)