Let's start by opening the scene we've mentioned at the beginning of this recipe, the one called 02_01_PostProcessEffects. You can find by looking into the content browser: Content/UE4ShadersAndEffects/Maps/Chapter02.
If you want to use a custom level that you have created yourself, feel free to go ahead and just use that one instead. We want to have a scene where we have something interesting to look at—after all, we are trying to use post process effects to affect how something already created looks. Once that's done, let's start the recipe by locating the actor we are going to be playing with:
- Look for the Post Process Volume inside the Modes | Place | Volumes panel: