Employment DFF (Core HR) in Change Salary action

Summary:

Enable a DFF (from the PER_ASG table) in Change Salary action.

Content (please ensure you mask any confidential information):

Hi experts,

Our customer have a DFF named Job Code Step in Core HR (Employment Info) with the context of using it only for US. They want to enable this DFF in the Change Salary action.

This would result of the field appearing when they perform a change salary.

We tried to enable it in Transaction design Studio, with no success. This DFF was not appearing in the sandbox (Change Salary Region).

Is this not feasible at all?

Thank you in advance,