What is the name of this "Quaddraw" tool in Blender

daniellooartist

At the end of this tutorial, the person fills in a mesh curve he drew. What is the name of this tool? I would like to use it.

https://youtu.be/bhhLpOhRMzU

EDIT (Solved) - using this tutorial

https://youtu.be/JAVuPYCcd1k

pior

That's Make Edge/Face from the F2 addon.

https://docs.blender.org/manual/en/latest/addons/mesh/f2.html