code: def function_exists(FunctionName, region=None, key=None,
                      keyid=None, profile=None):
      '''
      Given a function name, check to see if the given function name exists.
  
      Returns True if the given function exists and returns False if the given
      function does not exist.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_lambda.function_exists myfunction
  
      '''
  
      try:
          func = _find_function(FunctionName,
                                region=region, key=key, keyid=keyid, profile=profile)
          return {'exists': bool(func)}
      except ClientError as e:
          return {'error': __utils__['boto3.get_error'](e)f function_exists(FunctionName, region=None, key=None,
                      keyid=None, profile=None):
      '''
      Given a function name, check to see if the given function name exists.
  
      Returns True if the given function exists and returns False if the given
      function does not exist.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_lambda.function_exists myfunction
  
      '''
  
      try:
          func = _find_function(FunctionName,
                                region=region, key=key, keyid=keyid, profile=profile)
          return {'exists': bool(func)}
      except ClientError as e:
          return {'error': __utils__['boto3.get_error'](e)}
docs: Given a function name, check to see if the given function name exists.
  
      Returns True if the given function exists and returns False if the given
      function does not exist.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_lambda.function_exists myfunction