:doc:`SFN <../../stepfunctions>` / Client / delete_state_machine_alias

**************************
delete_state_machine_alias
**************************



.. py:method:: SFN.Client.delete_state_machine_alias(**kwargs)

  

  Deletes a state machine `alias <https://docs.aws.amazon.com/step-functions/latest/dg/concepts-state-machine-alias.html>`__.

   

  After you delete a state machine alias, you can't use it to start executions. When you delete a state machine alias, Step Functions doesn't delete the state machine versions that alias references.

   

  **Related operations:**

   

  
  *  CreateStateMachineAlias
   
  *  DescribeStateMachineAlias
   
  *  ListStateMachineAliases
   
  *  UpdateStateMachineAlias
  

  

  See also: `AWS API Documentation <https://docs.aws.amazon.com/goto/WebAPI/states-2016-11-23/DeleteStateMachineAlias>`_  


  **Request Syntax**
  ::

    response = client.delete_state_machine_alias(
        stateMachineAliasArn='string'
    )
    
  :type stateMachineAliasArn: string
  :param stateMachineAliasArn: **[REQUIRED]** 

    The Amazon Resource Name (ARN) of the state machine alias to delete.

    

  
  
  :rtype: dict
  :returns: 
    
    **Response Syntax**

    
    ::

      {}
      
    **Response Structure**

    

    - *(dict) --* 
  
  **Exceptions**
  
  *   :py:class:`SFN.Client.exceptions.ValidationException`

  
  *   :py:class:`SFN.Client.exceptions.InvalidArn`

  
  *   :py:class:`SFN.Client.exceptions.ResourceNotFound`

  
  *   :py:class:`SFN.Client.exceptions.ConflictException`

  