Simple Polygon and Surface Modelling

[quantumprime]

Hey all. I'm new to Maya modelling so bare with me.

My question is  simple. I have a fairly simple polygon. There is a square surface on that poligon with 0 subdivisions, that I would like to put a circular indent on the surface. So what I was trying to do was attach or project a nurb circle. Though I cannot do that since the surface is a polygon. Is there a simple way to add a circle to a square face of a polygon, then extrude that circular surface?

Thanks!

[joojaa]

Paste into script editor and select all and hit ctrl+enter

polyCylinder -r 1 -h 0.4 -sx 20 -sy 1 -sz 1 
             -ax 0 1 0 -rcp 0 -cuv 3 -ch 1;
delete ".f[40:59]";
polyExtrudeEdge -constructionHistory 1 
               -keepFacesTogether 1 -ltz 1 ".e[20:39]";
move 2 0.2 -2 ".vtx[41:44]";
move 2 0.2 2 ".vtx[56:59]";
move -2 0.2 2 ".vtx[51:54]";
move -2 0.2 -2 ".vtx[46:49]";