code: def go(function_expr, **kwargs):
          
          if '.' in function_expr:
              tech, service_type, function_name = function_expr.split('.')
          else:
              tech = kwargs.pop('tech')
              service_type = kwargs.get('service_type')
              function_name = function_expr
  
          @sts_conn(tech, service_type=service_type)
          def wrapped_method(function_name, **nargs):
              service_type = nargs.pop(nargs.pop('service_type', 'client'))
              return getattr(service_type, function_name)(**nargs)
  
          return wrapped_method(function_name, **kwargs)
docs: CloudAux.go(
              'list_aliases',
              **{
                  'account_number': '000000000000',
                  'assume_role': 'role_name',
                  'session_name': 'cloudaux',
                  'region': 'us-east-1',
                  'tech': 'kms',
                  'service_type': 'client'
              })
  
          CloudAux.go(
              'kms.client.list_aliases',
              **{
                  'account_number': '000000000000',
                  'assume_role': 'role_name',
                  'session_name': 'cloudaux',
                  'region': 'us-east-1'
              })