PX4 Gazebo multi vehicle plane_cam SITL

Hi,

I am trying to create a simulation with a plane that I will use the camera(plane_cam) and a few planes without cameras(plane). I will also provide communication via MAVSDK, but I can only connect to the planes via QGC. plane_cam is not visible. Also, although I can give commands to the planes via MAVSDK, but not to the plane_cam because the id of the plane_cam is unknown.