[mostafarabbani]

Thanks for your quick and appropriate reply

I have a light wooden bar and I want my cobot to grab it on one side and lift it. Is this possible in the RoboDK environment?

[Sergei]

Yes, absolutely.

You can use a simulation event instruction, that allows you to attach objects to the robot's gripper.

You can find more info below the links:
Simulation event
RoboDK Pro Training - Module 03 - 02 - Pick and Place - Attach and Detach Object - Tutorial