Is there a function we could use to pass in the parameters for "d ^SECURITY"

Yes, that's what I'm trying to do. But MSH:18 is blank. There isn't any fields after MSH:14. So I tried just adding the "!" to the field, and it error out.

I'm working with a 3rd party  vendor call "OnBase"  they have a setting they're unwilling to change on their side.  If they don't receive any traffic in 3 hours,  they will drop our connection.  Causing a error on the Engine side.  this mainly happens over the weekend. The majority of our offices are closed and traffic is very light.  I was thinking this may be a possible solution to have this setup to prevent their side from disconnecting. 

I tested this out, and it worked! This does what I need it to do. (did not know the Routing rules executed a full DTL before it goes to another operation(DTL). So by that logic, if the first transformation fails (for whatever reason) the second one will not execute?

Thanks.  I'm going to try this and see if it works!