How do you open file in split editor in VSCode?

Question

I have this:

And I want to add a keyboard short cut such that it will open the file in a new split window like this:

In my keybinding.json, what is the name of this action?

Answer 1

There is a keyboard shortcut for this, breadcrumbs.revealFocusedFromTreeAside

Ctrl+Enter (macOS: Cmd+Enter) in the Quick Open Ctrl+P (macOS: ⌘P) file list.

see https://code.visualstudio.com/docs/getstarted/userinterface#_side-by-side-editing

Likewise you can do this from the Explorer with explorer.openToSide