This is something our staff could use as well. We love our agents to death but in the end, they are humans, and sometimes we need to be able to guide human behavior. ;)

@... - 

So far most of this works quite well. I am running into an issue with add the filter drop down you mentioned. 

Every time I add the lines you mentioned for the drop down and field columns it breaks the full page. I am guessing I am adding the dropdown and custom field codes in the wrong places?

I do have the script.js in place as well.

My working code for reference: