# Setting up a crawler for Amazon S3 event notifications for a Data Catalog table
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When you have a Data Catalog table, set up a crawler for Amazon S3 event notifications using the AWS Glue console:

1.  Set your crawler properties. For more information, see [ Setting Crawler Configuration Options on the AWS Glue console ](https://docs.aws.amazon.com/glue/latest/dg/crawler-configuration.html#crawler-configure-changes-console). 

1.  In the section **Data source configuration**, you are asked * Is your data already mapped to AWS Glue tables? * 

    Select **Yes** to select existing tables from your Data Catalog as your data source. 

1.  In the section **Glue tables**, choose **Add tables**.   
![\[Data source configuration interface with options to select existing Glue tables or add new ones.\]](http://docs.aws.amazon.com/glue/latest/dg/images/crawler-s3-event-console1-cat.png)

1.  In the **Add table** modal, configure the database and tables: 
   +  **Network connection** (Optional): Choose **Add new connection**. 
   +  **Database**: Select a database in the Data Catalog. 
   +  **Tables**: Select one or more tables from that database in the Data Catalog. 
   +  **Subsequent crawler runs**: Choose **Crawl based on events** to use Amazon S3 event notifications for your crawler. 
   +  **Include SQS ARN**: Specify the data store parameters including the a valid SQS ARN. (For example, `arn:aws:sqs:region:account:sqs`). 
   +  **Include dead-letter SQS ARN** (Optional): Specify a valid Amazon dead-letter SQS ARN. (For example, `arn:aws:sqs:region:account:deadLetterQueue`). 
   +  Choose **Confirm**.   
![\[Add Glue tables dialog with network, database, tables, and crawler options.\]](http://docs.aws.amazon.com/glue/latest/dg/images/crawler-s3-event-console2-cat.png)