Placing object

Hi all, I started my description in dynamo and I want to turn the Surface.PointAtParameter block into a python script, and here is my script but it does not work.

use name of the item. You named it as surface not Surface. (surface=IN[0])
try with “surface.PointAtParameter(x,y)”

dosent work the error message is :
“Avertissement:IronPythonEvaluator.EvaluateIronPythonScript l’opération a échoué.
Traceback (most recent call last):
File “”, line 22, in
TypeError: expected Surface, got list”

Oh, you have to use loop method for multiple items…like
for…in or something.
Recommend you to learn some basic of python first.

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