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Subtraits are separate, hidden traits, so adding features to them is the same as adding features to the main trait.
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You can then define additional traits that the player can turn on and off by clicking on the Sim, selecting “Actions” and then selecting the trait name. You can add subtraits by adding a “Subtraits” component to the main trait. Subtraits let you define optional features that the player can turn on and off for individual Sims. I added a lot of stuff and made a lot of changes, so I wouldn’t be surprised if I made a mistake somewhere. Please remember to report any bugs you find. The Sims 4 Mod Constructor (V4) has been updated with two major new features: Subtraits (more information below) and the ability to create semi-active careers (the type introduced with City Living).
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