CoppeliaSim forums

Good afternoon, I'm a student who is trying to achieve some results with Vrep for my master thesis. I've never used it before and due to it I'm trying to understand as much as I can through videos and tutorials. I have a problem with the activation of the suctionPad and I can't understand why it doesn't work as it should. I linked here my scene.
https://www.dropbox.com/s/yw7fqu7cwe8gh ... e.ttt?dl=0