Business Unit Customization in Requisition DFF

Summary:

Hi all,

We think that we will use expression editor to make the DFF field on the requisition screen visible only to a certain business unit (here Indorama Turkey Spunyard BU). But the expression we wrote doesn't work as we request it. What should we do to make DFF we created visible only to a certain business unit ?

I uploaded related screenshots.

Thanks for advance

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