Setting up the Custom Data Source for a SharePoint Web Part

To set up a custom data source for retrieval in a SharePoint Web Part:

1. Navigate to the page with the SharePoint list where you want to set up the custom data sources.
2. For the SharePoint list, navigate to Modify Shared Web Part.
3. In the configuration properties for the Web Part, click Custom Data Sources.
4. Use the Custom Data Sources Configuration dialog box to set up the custom data sources.