Hi,

Please find below requirement
Create new field confidential variable with two option ‘Yes’ and ‘no’ in catalog item form.
If requester selects yes, below field values should be visible as ‘anonymous’ in requested item form and same rule should be applied in activities of RITM as well.
 -> Requester for

->  Opened by

->  Created by

Note: Same condition should be applied for list view as well.
Example: