How to hide a tab of an item?

For the Item Part, for the all the part numbers, I need to hide a specific tab, lets say "Goals" for a specific identity. 
"Goals" is under Relationship Types in Part item. I have tried:
- Right click on the Goals in Relationship Type,Permissions--> Access Report, edit Permissions named "Relationship Type". Add identity, here to Permission named "RelationshipType" and give no rights to the identity. The tab still shows. 
  

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  • Unknown
    0 オフライン Unknown in reply to Gopikrishnan

    i have an ItemType "Order" with the attribute "oder_type". On the creation view of the item I want to show or hide the relationship tabs depending on which option the user chose in the dropdown menu for this attribute. 
    I tried to adapt the code but I'm not quite sure where to implement it. Do you have any suggestions? Since the change within the dropdown menu should trigger the change I thought about a method in Field Events as onChange but I think I don't have access over the tab view out of this field, right? 

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