How to make New Roles Field Mandatory during Status Update in Change Module?

How to make New Roles Field Mandatory during Status Update in Change Module?

Dear All,

We have created a new Role under the Change Request Template namely "Change Approvers" were the Change Manager before sending for the CAB Approvals (i.e., Approval Stage) select the approvers manually from this New Role.

Is it possible to Make this Role Field Mandatory during Field Update (i.e., Status Change) Because currently I can't see this option even under Execute Scripts?

Regards,
Wajahath Farooq 

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