Haven't heard of making pasta without eggs!
But yep, what everyone else has said. 100g flour + 1 egg in the mixer, beater attachment until it starts clumping, then the dough hook until it's all together.
A quick knead, cut into 3 sections then fold and roll a few times at 0 setting, then work your way up to whichever setting.
I roll mine to setting 7, flour both sides, roll it through the tagliatelle cutter, add enough flour so that it doesn't stick together.
Bring the water to boil, chuck the pasta in. Literally 1 minute later, I take it out as it's done, slightly al dente.
I'm confused because every recipe I've seen says to cook it for at least 3 minutes if not more. I think I done 5 minutes first time I made it, just soft and mushy. Next time 3 minutes, still overdone. 2 minutes, not quite. 1 minute, perfect.