# Entering custom settings
<a name="mkt-custom-settings"></a>

After you enter the system configuration settings, you enter settings for the Amazon S3 bucket used to upload and store custom EULAs. 

1. In Salesforce, on the [Guided setup tab](use-guided-setup.md), return to the **Custom Settings** page, locate **S3 Bucket Settings**, and choose **Manage**. 

1. Choose **New**.

1. Enter values for the following settings.    
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/partner-central/latest/crm/mkt-custom-settings.html)

1. Choose **Save**. 

1. For each configured AWS Seller account, repeat steps 2-4 to add the Amazon S3 settings.