If your parameter have all OUT columns like below:
You may do two things :
Use cascade to function or another parameter detail described in this tutorial.
$f check.su is function responsible for checking if assurance sum is more than 30000 units (as example). If condition is fulfilled then returns true in decision column. Example shows how to implement such condition for underwriting, condition for PKD code should be done using the same rule.
Expand criterion in this parameter, which means add SU as IN column:
We are still focusing on SU condition, PKD code should be checked in separate column using the same rule.