# Add Additional Counterpart Suffixes
Add additional counterpart suffixes that Xcode should consider in the "Related Items > Counterparts" menu.
- Tested on macOS:
- Catalina
- Parameter type: array
# Add "ViewModel" and "View"
Add the "ViewModel" and "View" counterpart suffixes (Useful for Model-View-ViewModel (MVVM) architectures).
defaults write com.apple.dt.Xcode "IDEAdditionalCounterpartSuffixes" -array-add "ViewModel" "View" && killall Xcode
# Add "Router", "Interactor" and "Builder"
Add the "Router", "Interactor" and "Builder" counterpart suffixes (Useful for RIB architectures).
defaults write com.apple.dt.Xcode "IDEAdditionalCounterpartSuffixes" -array-add "Router" "Interactor" "Builder" && killall Xcode
# Read current value
defaults read com.apple.dt.Xcode "IDEAdditionalCounterpartSuffixes"
# Reset to default value
defaults delete com.apple.dt.Xcode "IDEAdditionalCounterpartSuffixes" && killall Xcode