Board Thread:Support Requests - Getting Technical/@comment-26542627-20200726205727/@comment-45117243-20200801210824

OK I think that now I get what you do want. You don't want the links to both wikis to appear anyway, you want the user to be able to create a link only to wiki1 or only to wiki2, that's why you use the text wiki1 or wiki2 as a parameter.

To avoid duplicates, you can nest the conditions, so each condition will be referred only in case the previous one evaluated as false: