How to smoothly enable Post Process?

How can I set up a post process so that when it is turned on and off through the blueprints, it does not turn on immediately, but smoothly. For example, within 5 seconds. That is, something like interpolation.

hey there !
what you can do is lerp your post process with a scene texture node the alpha value at 0 will disable the post process, and enable it totaly at 1:
(the best way would to remove your postprocess when it s at 0)
just animate the alpha value th eway you want (like a timeline for exemple)

You track the parameter you’re interested in with a timeline in blueprint. What PP do you want?


To get the right pins on the ‘make postprocess’ node, you have to enable them in details: