Changing negative value to zero

[RagingBull]

Hi,

I have a variable that can range from 40...-10 and I'd like to make a script with the FB editor that checks if the value goes to below zero, and when it does I'll rewrite it to 0. I tried using the 'less than' block comparing the value to 0 but with no luck. Is there any easy IF type of block I could import to the fb editor or any other suggestions how to go around?