Attaching HUD to Player Controller in Unreal Engine VR

Hello,

I’m working on a project that simulates aircraft piloting using Unreal Engine’s VR preview, where the computational input from MATLAB & Simulink models the aircraft’s in-flight behavior.

I wish to implement a circle reticule in the VR view to indicate where my gaze is directed. The reticule consists of a simple red circle with a transparent centre, showing in the middle of the VR view while flying.

When I run the simulation, Simulink spawns the aircraft class (Sim3dMWAirliner) and its associated player controller class (Sim3dPlayerController) into the environment. Since these classes are written in C++, I can’t modify them.

Is there a way to “attach” the HUD to the player controller after it’s spawned?

Additionally, I’ve imported a PNG image called Red_Circle, which is perfect for the reticle, and created a widget blueprint called HUD_UI. However, I don’t know how to set it up, so it appears in my VR view during the simulation.

Any guidance would be greatly appreciated!