Command line syntax for multi-environment features?

[TheSkyentist]

I've been using pixi for my projects pretty regularly because it's features really are spectacular.

However does anyone know if pixi currently supports creating/augmenting the multi-environment features using the command line? For example, I know you can do:
pixi run -e test
But can you create the environment "test" from the shell? And/or add dependencies to it? Is this feature planned?

I'm starting to mess around with multi-environments within a single projects, and this would be great to know!