Setting render opacity of an image according to a float in ThirdPersonBP

[Atayunan]

Hello Everyone, I’ve set up a exhaust system in my project and i want the screen to shift to red as exhaustion goes up how can i set the rendering opacity of an image using a float in another blueprint

[ClockworkOcean]

You can make a post process material like this

( See the material parameter collection parameter there )

Put this material on the player camera, and set the parameter in some way