code: def _find_alias(FunctionName, Name, FunctionVersion=None,
                  region=None, key=None, keyid=None, profile=None):
      '''
      Given function name and alias name, find and return matching alias information.
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      args = {
          'FunctionName': FunctionName
      }
      if FunctionVersion:
          args['FunctionVersion'] = FunctionVersion
  
      for aliases in __utils__['boto3.paged_call'](conn.list_aliases, **args):
          for alias in aliases.get('Aliases'):
              if alias['Name'] == Name:
                  return alias
      return Nonf _find_alias(FunctionName, Name, FunctionVersion=None,
                  region=None, key=None, keyid=None, profile=None):
      '''
      Given function name and alias name, find and return matching alias information.
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
  
      args = {
          'FunctionName': FunctionName
      }
      if FunctionVersion:
          args['FunctionVersion'] = FunctionVersion
  
      for aliases in __utils__['boto3.paged_call'](conn.list_aliases, **args):
          for alias in aliases.get('Aliases'):
              if alias['Name'] == Name:
                  return alias
      return None
docs: Given function name and alias name, find and return matching alias information.