You enable this option by pressing X O (PS4) or A B (Xbox One).
Shift-Click the Mailbox to access the ability to stop need decay for your current household or the entire neighborhood (effectively make everyone happy).
Testingcheats on should be enabled, as some cheats will not work without it. Money X - Type Money 50000 or 1000000, whatever you like, and your family will have that amount exactly.
This can allow you to always get a particular emotion, or make a Sim immortal with aging still on.While already in the career you want (via normal hiring from the phone or computer) and with testingcheats on, type Careers.promote X - for example careers.promote astronaut would promote your Sim to the next level in the Astronaut career.It's listed above but bears repeating here: sims.give_satisfaction_points gives the selected Sim an amount of satisfaction equal to what you enter.sims.give_satisfaction_points 50000 would give you 50k. Infinite Consumables - One-time use potions can be bought with satisfaction.To fully edit a Sim in Create-a-Sim, type cas.fulleditmode with Testing Cheats On.
This will let you change the gender, traits, everything, and is much more powerful than the scaled down version you get without typing this cheat. Shift-Clicking NPC Sims will allow you to add them to your household.
You can find a full list of cheats Twisted Mexi has discovered here.
The Wiki is being updated with newly discovered cheats, so you might find something that helps you a lot there.
To use cheats in The Sims 4, press Control Shift C to toggle the console on and off.
You do this on console by pressing all four shoulder buttons simultaneously. For many cheats, you must also use testingcheats on or they will not work. Build Mode Cheats We've got build mode cheats listed above, but you can learn a lot more about using them by visiting the Building Cheats page.
Shift-Clicking Objects, for those that can get dirty, allows you to either make them dirty or clean - all objects can be reset, as well.