Shortcuts App

I'm trying to figure out how make a shortcut to get information from a JSON source. Looking at the guide: https://support.apple.com/en-gb/guide/shortcuts/apd58d46713f/ios if you expand the section titled "Perform the API Request..." it says:

"In the shortcut editor of the Shortcuts app, set Get Contents of URL to Advanced."

I don't see any way to set it to "Advanced." Does anyone here know where to find the Advanced setting referred to in the guide?