# DeleteType


 The `DeleteType` operation deletes a user-defined type (UDT). You can only delete a type that is not used in a table or another UDT. 

To configure the required permissions, see [Permissions to delete a UDT](https://docs.aws.amazon.com/keyspaces/latest/devguide/configure-udt-permissions.html#udt-permissions-drop) in the *Amazon Keyspaces Developer Guide*.

## Request Syntax


```
{
   "keyspaceName": "string",
   "typeName": "string"
}
```

## Request Parameters


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.

 ** [keyspaceName](#API_DeleteType_RequestSyntax) **   <a name="keyspaces-DeleteType-request-keyspaceName"></a>
 The name of the keyspace of the to be deleted type.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 48.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9_]{0,47}`   
Required: Yes

 ** [typeName](#API_DeleteType_RequestSyntax) **   <a name="keyspaces-DeleteType-request-typeName"></a>
 The name of the type to be deleted.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 48.  
Required: Yes

## Response Syntax


```
{
   "keyspaceArn": "string",
   "typeName": "string"
}
```

## Response Elements


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

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

 ** [keyspaceArn](#API_DeleteType_ResponseSyntax) **   <a name="keyspaces-DeleteType-response-keyspaceArn"></a>
 The unique identifier of the keyspace from which the type was deleted in the format of an Amazon Resource Name (ARN).   
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 1000.  
Pattern: `arn:(aws[a-zA-Z0-9-]*):cassandra:.+.*` 

 ** [typeName](#API_DeleteType_ResponseSyntax) **   <a name="keyspaces-DeleteType-response-typeName"></a>
 The name of the type that was deleted.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 48.

## Errors


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

 [AccessDeniedException](API_AccessDeniedException.md)   
You don't have sufficient access permissions to perform this action.     
 ** message **   
You don't have the required permissions to perform this operation. Verify your IAM permissions and try again.
HTTP Status Code: 400

 [ConflictException](API_ConflictException.md)   
Amazon Keyspaces couldn't complete the requested action. This error may occur if you try to perform an action and the same or a different action is already in progress, or if you try to create a resource that already exists.     
 ** message **   
The requested operation conflicts with the current state of the resource or another concurrent operation.
HTTP Status Code: 400

 [InternalServerException](API_InternalServerException.md)   
Amazon Keyspaces was unable to fully process this request because of an internal server error.    
 ** message **   
An internal service error occurred. Retry your request. If the problem persists, contact AWS Support.
HTTP Status Code: 500

 [ResourceNotFoundException](API_ResourceNotFoundException.md)   
The operation tried to access a keyspace, table, or type that doesn't exist. The resource might not be specified correctly, or its status might not be `ACTIVE`.    
 ** message **   
The specified resource was not found. Verify the resource identifier and ensure the resource exists and is in an ACTIVE state.  
 ** resourceArn **   
The unique identifier in the format of Amazon Resource Name (ARN) for the resource couldn't be found.
HTTP Status Code: 400

 [ServiceQuotaExceededException](API_ServiceQuotaExceededException.md)   
The operation exceeded the service quota for this resource. For more information on service quotas, see [Quotas](https://docs.aws.amazon.com/keyspaces/latest/devguide/quotas.html) in the *Amazon Keyspaces Developer Guide*.    
 ** message **   
The requested operation would exceed the service quota for this resource. Review the service quotas and adjust your request accordingly.
HTTP Status Code: 400

 [ValidationException](API_ValidationException.md)   
The operation failed due to an invalid or malformed request.    
 ** message **   
The request parameters are invalid or malformed. Review the API documentation and correct the request format.
HTTP Status Code: 400

## 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/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/keyspaces-2022-02-10/DeleteType) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/keyspaces-2022-02-10/DeleteType)