Once added ReplaceColor close behaviour box, your setting looks like below;
Do not change the effects parameters. We do that in C2 code. Your effect parameters look like below:
Open your event editor and add these Global Variables
Next we will add some timer and use it to change parameters
System everytick = system add dt to timer
We are setting timer to system Delta Time and adding to it once we know it reached certain time we do set timer to ZERO and add other code to do what we like. In this case we will add changes to or textbox and others too.