Request additional field in RLC

Request additional field in RLC

Hi,
I want to define Request Life Cycle (RLC) for specific service catalog that include some additional field. Now i want to mandate my additional field in some stage. Also I want to set criteria by my additional field to run custom function(Deluge). I attached screenshot from my needs.  What should I do? Do you have any solution for me?

SDP v11.1.34
DB: MS SQL

Thanks for helping

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