error: Error creating Lambda function: ResourceConflictException: Function already exist: ****-8d56ff7
    {
      RespMetadata: {
        StatusCode: 409,
        RequestID: "a4e2508b-7d19-43cc-93db-e08b1f64914e"
      },
      Message_: "Function already exist: ***-8d56ff7",
      Type: "User"
    }

import * as aws from '@pulumi/aws';
import { QueueEventSubscription, QueueEvent } from '@pulumi/aws/sqs';
import { lambdaRole } from '../../iam_roles/lambda_role';
const region = aws.config.requireRegion();

const queue = new aws.sqs.Queue('emailNotifications', {
  visibilityTimeoutSeconds: 240
});
const callback = new aws.lambda.CallbackFunction<QueueEvent, QueueEventSubscription>('emailNotification', {
  role: lambdaRole,
  codePathOptions: {
    extraExcludePackages: ['typescript']
  },
  callback: (e, _context, callback) => {
    const aws = require('aws-sdk');
    const ses = new aws.SES({ region });

    for (let record of e.Records) {
      const { subject, body, from, to } = JSON.parse(record.body);
      console.log('Record:', record.body);
      const params = {
        Destination: {
          ToAddresses: to
        },
        Message: {
          Body: {
            Text: { Data: body }
          },

          Subject: { Data: subject }
        },
        Source: from
      };

      ses.sendEmail(params, function(err, data) {
        callback(err, data);
      });
    }
  }
});
queue.onEvent('onEmailNotification', callback);

export const emailNotificationQueue = queue;