Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options:
NumPad1: Infinite Health
NumPad2: One Hit Kills
NumPad3: Unlimited Primary Ammo
NumPad4: Unlimited Secondary Ammo
NumPad5: Reset Mission Timer
NumPad6: Change Money By 15000
NumPad7: Complete All Mission Objectives
NumPad8: Disable AI

Notes:
Earned medals are hardcoded. You will need to complete mission in order to unlock more levels/rewards.

Reset Mission Timer: During mission press hotkey to reset the mission timer.

Change Money: At shop press hotkey to add more.

Complete All Mission Objectives: While active all mission objectives are instantly completed on mission.

Disable AI: While active enemies will not shoot. You will not be able to interact with hostiles while this option is active.