With testingcheats true enabled, you can enter the following codes from the console for the corresponding effects. With testingcheats true enabled, you can enter the following codes from the console for the corresponding effects in Build Mode. You can view his channel called The Sim Supply with that link. Much of this entry had information came from a video by a YouTuber named James Turner.
While their functions are limited, the decorative objects can allow you to build a lot exactly how you wish.
Using this Sims 4 money cheat will add §50,000 each time you use it, and even a single instance will generally get you enough money to place down and debug objects you may wish to use.