1. Create data type with property manager
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3. Create data page:
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5. Create data transform. I hardcoded the manager :
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7. Set this DSS setting:
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10. The applies to class for the access control policy condition is the property you want to hide.
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12. Create access when “IsManager”
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14. Create Access Control policy
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17. Now, the property is masked for other users
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19. But for manager: its ok
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21. You can make it fit for your application

Many thanks ranjith.

The issue is the manager is stored in the operator id record and i'm unable to access the OperatorID record in the access when.

It is given in documentation:

• Do not enter case attributes or policy class property values in an Access When rule that is used for conditional logic because doing so causes invalid results or run-time failures.