Call function only for particular plugin

Hi,

actually this is a little tricky, as the event does not hold any information, which plugin is currently being checked. So in your case I’d recomment to create a whitelist of elements, that should be checked. If the current element is not in your whitelist, you can just ignore it in your callback. If the element is in the whitelist, you can validate it. 

Could that be a solution for you?