How to use Ndisplay and ICVFX Camera for Multiple project

I have 2 projects in Unreal engine 5. One is used to create previs for Virtual Production with a 3D studio, 3D led screen and 3D actors performing in front of this led screen. Another one is used to create the environment I want, then I take a screenshot, then put it on the led screen in the first project as an image material to visulize. But if I do that, the screen just stands still and doesn’t bring much efficiency in visualization because every time I want to change the angle, I have to take another photo. I plan to use Ndisplay and ICVFX Camera to simulate real-life Virtual production.
The problem is how to make Ndisplay and Camera be in the first project, but show the scene of the second project.
Thank you