Here’s how to add your RSS widget into notion:

1. Create an RSS feed using your desired source

2. Select which widget you would like to use (in this example, I’m using the wall widget)
3. Customize the widget to fit your website by using the ‘Customize’ option

4. Click 'Add to Website'

5. Select 'Iframe' and copy the code snippet

6. In Notion, select the 'Embed' block

7. Paste the Iframe code snippet from step 3 and click 'embed link'.

8. Resize the widget to your specifications