# setDefaultValues method Null safety

1. @override

DocumentModel setDefaultValues(

1. DocumentModel t,
2. StorageConditionsModel conditions

)
override

## Implementation

    @override
    DocumentModel setDefaultValues(
        DocumentModel t, StorageConditionsModel conditions) {
      return t.copyWith(
          background: t.background ?? BackgroundModel(),
          conditions: t.conditions ?? conditions);
    }