| Center | FVector | World-space center of the debug arc. | |
| Radius | float | Radius of the arc. | |
| Direction | FVector | Direction vector indicating the center of the arc sweep. | |
| AngleWidth | float | Total angular width of the arc in degrees. | |
| Segments | int32 | Number of line segments used to draw the arc. | |
| Color | FColor | Color of the debug arc. | |
| bPersistentLines | bool | Whether the arc persists across frames. | |
| LifeTime | float | Duration in seconds before the arc disappears (-1 means use default). | |
| DepthPriority | uint8 | Depth priority for rendering order of this debug primitive. | |
| Thickness | float | Thickness of the arc lines in world units. | |