Sims 4 adding different sims

[Lukesword]

In sims 4, I want to add sims into a different house that I can play different to my main household. How do I do that? I can’t find out how
Pls help🤥

[Phantomlover1717]

When you are at the looking at the map you can add new Sims into a building and play with them.