Create a box or other 3D Object, make sure this object has a collider set to IsTrigger
Add the CodeDeviceTrigger script to that 3D object and add the keypad object to the inspector slot named Keypad Object. (The keypad object will have the script CodeDeviceItem)
Then set an input key you’d like to use for the interaction, by default set to E
Enable Trigger in Controller
At the bottom of the Controller script make sure to tick TriggerEvent to true at the bottom of the inspector and then add the TriggerEvent object into the slot that appears.
Demo Scene Examples
Remember to take a look at the demo scene if you have any troubles, it might give you an idea on how to fix an issue! If you find the package helpful