# DescribeDBParameterGroups


Returns a list of `DBParameterGroup` descriptions. If a `DBParameterGroupName` is specified, the list will contain only the description of the specified DB parameter group.

## Request Parameters


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

 ** DBParameterGroupName **   
The name of a specific DB parameter group to return details for.  
Constraints:  
+ If supplied, must match the name of an existing DBClusterParameterGroup.
Type: String  
Required: No

 **Filters.Filter.N**   
This parameter is not currently supported.  
Type: Array of [Filter](API_Filter.md) objects  
Required: No

 ** Marker **   
An optional pagination token provided by a previous `DescribeDBParameterGroups` request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by `MaxRecords`.  
Type: String  
Required: No

 ** MaxRecords **   
The maximum number of records to include in the response. If more records exist than the specified `MaxRecords` value, a pagination token called a marker is included in the response so that the remaining results can be retrieved.  
Default: 100  
Constraints: Minimum 20, maximum 100.  
Type: Integer  
Required: No

## Response Elements


The following elements are returned by the service.

 **DBParameterGroups.DBParameterGroup.N**   
A list of [DBParameterGroup](API_DBParameterGroup.md) instances.  
Type: Array of [DBParameterGroup](API_DBParameterGroup.md) objects

 ** Marker **   
An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by `MaxRecords`.  
Type: String

## Errors


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

 ** DBParameterGroupNotFound **   
 *DBParameterGroupName* does not refer to an existing DB parameter group.  
HTTP Status Code: 404

## See Also


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/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/neptune-2014-10-31/DescribeDBParameterGroups) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/neptune-2014-10-31/DescribeDBParameterGroups)