Unity Event Inspector Condition

I'm trying to create something similar to this video where it goes through a list of UnityEvent conditions before Invoking a list of actions. https://youtu.be/niyWidvyk4Q?t=852

But I'm not sure how to Invoke a UnityEvent and check if a variable is equal to the parameter given in the inspector. What would be the best way to approach this? Thanks in advance if anyone is able to assist me.