# 飛跡情報をしりたい（``TrajectoryContainer``）

```cpp
// G4Event *aEvent;
G4TrajectoryContainer *tjc = aEvent->GetTrajectoryContainer();
```

:::{seealso}

- [G4TrajectoryContainer](https://geant4.kek.jp/Reference/11.2.0/classG4TrajectoryContainer.html)
- [G4VTrajectory](https://geant4.kek.jp/Reference/11.2.0/classG4VTrajectory.html)

:::