# Use an allow list for integrated applications All domains that embed the CCP for a particular instance must be explicitly allowed for cross\-domain access to the instance\. For example, to integrate with Salesforce, you must place your Salesforce Visualforce domain in an allow list\. **To allow a domain URL** 1. Open the Amazon Connect console at [https://console\.aws\.amazon\.com/connect/](https://console.aws.amazon.com/connect/)\. 1. Choose the name of the instance from **Instance Alias**\. 1. In the navigation pane, choose **Approved origins**\. 1. Choose **Add origin**\. 1. Type the URL and choose **Add**\.