Hot to get ID into and object gdl?

[Anonymous]

Hi to all, i am starting to learn gdl and i am doing an object (dowell for pavimentos).
I've reading all the pdf who is with the AC 22 (pdf gdl) and there are not information about my ask.
The image with the objetive:

There are 2 steps that i am doing:
Step1:i need get the #ID Principal from the object into the rectangle of the options(custom option). (with no results until today).
Step 2: send the text (custom option) to list. there is ok this step.
How to make this? or there are other metod?.
Thankyou

[Piotr Dobrowolski · Accepted solution]

use GLOB_ID general parameter.

Piotr