# Adding a new outbound source for Supply Planning
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You can use the new outbound source to upload the updated *Supply Planning* purchase order requests or plan enhancements.

1. On the AWS Supply Chain dashboard, on the left navigation pane, choose **Data Lake** and then choose the **Data Ingestion** tab.

   The **Data Ingestion** page appears.

1. Choose **Add Outbound Source**.

   The **Amazon S3 Connection details** page appears.

1. Under **Connection name**, enter a name for your Amazon S3 connection.

1. Under **Outbound Data**, select the outbound dataflow that you want to export. Purchase order request and Supply forecast data flows are supported.

1. Choose **Confirm**.

   The new outbound source is created and the **Connections** page appears.