Hiding a user person type from organization chart.

Summary:

We have a requirement to hide specific user person type of contingent worker system person type from appearing in the Organization Chart. Is there any way to achieve this? If not, then which is the best possible system person type similar to contingent worker that we can map this user person type to? As per current functionality Employees, Contingent Worker and Nonworker are displayed in the Org Chart irrespective of user person type, so as an alternative we can map this user person type to some other system person type.

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