When dealing with variables that have sensitive information, we don't want the variable to be openly accessible. Setting the scope to private / script (depending on the specific case) and visibility to private, we make sure that it can only be used in that one context and that a user can't find a variable containing tokens and the likes.
When dealing with variables that have sensitive information, we don't want the variable to be openly accessible. Setting the scope to private / script (depending on the specific case) and visibility to private, we make sure that it can only be used in that one context and that a user can't find a variable containing tokens and the likes.