# Configure S3 to notify Lambda

We need to configure S3 to send out notifications to Lambda whenever a CSV file is uploaded in the input folder.

## Procedure

1. Go to S3 console.
2. Click on the bucket talend-lambda-demos.

   ![](https://help.qlik.com/talend/en-US/integrate-data-integration-with-s3-lambda/Resources/images/273993775_talend_lamba_demos_bucket.png)
3. Click on Properties tab and then click on Events panel.

   ![](https://help.qlik.com/talend/en-US/integrate-data-integration-with-s3-lambda/Resources/images/273993775_lambda_properties_events.png) ![](https://help.qlik.com/talend/en-US/integrate-data-integration-with-s3-lambda/Resources/images/273993775_lamba_events.png)
4. Click on Add Notification and configure as below:
   * Name = TalendJobNotification
   * Events = Put
   * Prefix = input/
   * Suffix = csv
   * Send to = Lambda Function
   * Lambda = S3LambdaFunctionHandler

   ![](https://help.qlik.com/talend/en-US/integrate-data-integration-with-s3-lambda/Resources/images/273993775_events_add_notification.png)
5. Click Save to create the Event notification.

   ![](https://help.qlik.com/talend/en-US/integrate-data-integration-with-s3-lambda/Resources/images/273993775_1_active_notification.png)

   You have successfully configured S3 to call your Lambda function S3LambdaFunctionHandler whenever a CSV file is uploaded in the input folder.