How do I use the split screen, and set different camera?

Hi there everyone,
I want to create a Cutscenes use split screen, up and down the screen using different cameras,I have two matinee,But I do not know how to connect, in bluePrint.

like this

ea66b9259bbfb76770f21acacdb4f1ee721e7ecb.jpeg

I’s my bluePrint

p2.jpg

Can anyone help with this?

Thanks!!!

I need the same thing no One knows?