Im Brand new to Unreal and want to make my post processing change over time

Hey There! Im brand new to Unreal and could use some help! i currently am trying to make my world go from black and white, back to full color over like a secondafter interacting with an object. im able to interact with the object and ive been able to change the post processing back to color, but i cant figure out how to implement a timeline to make this work! im attatching a photo of the snippit of my blueprint. any help would be great!

Apply different settings at time intervals. Use your Suns steps to trigger PP settings changes.

e.g. Sun moves, end of move call PP settings change.

You can also use camera modifiers for different dynamic pp adjustments