[Point from UV coordinates] command displays point coordinates of surfaces, or generates points.
For the prompt
"Specify a surface"
, select the target surface.
Pressing C key will change the mode between coordinates display mode and point generation mode.
For the prompt
"Input parameters"
, input (u,v) parameters of the surface point
from the dialogue.
After input, the command will evaluate the point, and generates the point as an object optionally.