| Id | FName | Unique identifier for this root node. | Category: B1CheckBoxTreeRootNode |
| Label | FString | Display label text for this root node. | Category: B1CheckBoxTreeRootNode |
| bDefaultExpanded | bool | Whether this root node is expanded by default. | Category: B1CheckBoxTreeRootNode |
| bDefaultChecked | bool | Whether this root node is checked by default. | Category: B1CheckBoxTreeRootNode |
| IconDisplayRule | EB1CheckBoxIconDisplayRule | Rule controlling when the icon is displayed for this root node. | Category: B1CheckBoxTreeRootNode |
| bUseSubInfo | bool | Whether a sub-info text is displayed alongside this root node. | Category: B1CheckBoxTreeRootNode |
| SubInfoText | FString | Optional sub-info text shown when bUseSubInfo is true. | Category: B1CheckBoxTreeRootNode |
| Indicators | TArray | Colored indicator icons shown next to this root node. | Category: B1CheckBoxTreeRootNode |
| Children | TArray | List of mid node children belonging to this root node. | Category: B1CheckBoxTreeRootNode |