| TransformMatrix | FMatrix | Transform matrix defining the position and orientation of the debug circle. | |
| Radius | float | Radius of the debug circle. | |
| Segments | int32 | Number of line segments used to approximate the circle. | |
| Color | FColor | Color of the debug circle. | |
| bPersistentLines | bool | Whether the circle persists across frames. | |
| LifeTime | float | Duration in seconds before the circle disappears (-1 means use default). | |
| DepthPriority | uint8 | Depth priority for rendering order of this debug primitive. | |
| Thickness | float | Thickness of the circle line in world units. | |
| bDrawAxis | bool | Whether to draw the local axes at the circle center. | |