Right click on a promotion task, daily task, prep task, or work from home assignment to complete it.

Right click on a character value meter to set value (from -100 to 100).

Right click on the in-game clock under the speed controls to set time (from 0 to 23 for instance, entering “15” will set time to 3PM).

Right click on a skill bar to set a level.

Right click on an aspiration goal to fulfill it.

Right click on a moodlet to remove the moodlet.

Right click on a Sim in the relationship panel to set friendship/romance values (from -100 to 100).

Right click on the money counter to set household funds (Simoleons, Galactic Credits, bits, and pieces).

Left click on the money counter to gain $1000.

Right click on a needs bar to set value (from -100 to 100).

The first one lets you take full control of gameplay via easy shortcuts in the User Interface while the second lets you control pretty much every aspect of the game. Probably one of the two biggest mods used by the modding community are UI Cheats Extension and MC Command Center. Plenty of us in the community who play The Sims 4 on PC like the additional layer of control in Gameplay that certain Mods provide.

Ui cheats mod sims 4