| Id | FName | Unique identifier for this leaf node. | Category: B1CheckBoxTreeLeafNode |
| Label | FString | Display label text for this leaf node. | Category: B1CheckBoxTreeLeafNode |
| bDefaultExpanded | bool | Whether this leaf node is expanded by default. | Category: B1CheckBoxTreeLeafNode |
| bDefaultChecked | bool | Whether this leaf node is checked by default. | Category: B1CheckBoxTreeLeafNode |
| IconDisplayRule | EB1CheckBoxIconDisplayRule | Rule controlling when the icon is displayed for this leaf node. | Category: B1CheckBoxTreeLeafNode |
| bUseSubInfo | bool | Whether a sub-info text is displayed alongside this leaf node. | Category: B1CheckBoxTreeLeafNode |
| SubInfoText | FString | Optional sub-info text shown when bUseSubInfo is true. | Category: B1CheckBoxTreeLeafNode |