code: def _generate_lambda(self):
          
          self.tf_conf['resource']['aws_lambda_function']['lambda_func'] = {
              'filename': 'webhook2lambda2sqs_func.zip',
              'function_name': self.resource_name,
              'role': '${aws_iam_role.lambda_role.arn}',
              'handler': 'webhook2lambda2sqs_func.webhook2lambda2sqs_handler',
              'source_code_hash': '${base64sha256(file('
                                  '"webhook2lambda2sqs_func.zip"))}',
              'description': self.description,
              'runtime': 'python2.7',
              'timeout': 120
          }
          self.tf_conf['output']['lambda_func_arn'] = {
              'value': '${aws_lambda_function.lambda_func.arn}'
          }
docs: Generate the lambda function and its IAM role, and add to self.tf_conf