| EntityId | FB1EntityId | The entity ID of this site. | |
| SiteId | FName | The data table ID of this site. | |
| BuiltData | FB1SiteAreaBuiltSaveData | The built area structure data (walls, floors, etc.) for this site. | |
| PathFindingData | FB1SiteAreaPathFindingSaveData | The pathfinding grid data for this site. | |
| ObjectList | TArray | The list of game objects placed in this site. | |
| SaveVersion | EB1SaveVersion | The save file version associated with this site data. | |
| CompatibilitySaveVersion | EB1SaveVersion | The compatibility save version, updated only when site size changes. | |
| UserEditedTime | FDateTime | The last time a user edited this site. | |
| ObjectInventoryOwnerList | TArray | The list of entity IDs that own object inventories within this site. | |
| SiteInventoryObjectSpawnInfos | TMap | The map from entity ID to spawn info for site inventory objects. | |