Configure existing Checker

Hi,

I'm new to Check-Mate and I'm trying to configure an existing checker to check if the part or drawing has an attribute already set. The one that I found that may be suitable for this is "Check Single Part Attribute" or "Check Single Drawing Attribute". However this is how far I have come. I dont know how to configure it to check if the Weight Attribute is set on the part or drawing. How can I do this?

thanks