- research_technology tech_aura_minefield
Executing the above command would research "Proximity Mines" (tech_aura_minefield) for your current empire.
- research_technology tech_robotic_workers
This command would research the "Robotic Workers" technology.
Adjust the settings below to automatically generate a command. Once you've got everything right, hit the Copy button and paste it into the console in Crusader Kings 2.