Visibility Expression Language

Summary

Expression language syntax to control visibility of an app/springboard icon

Content

Hello -

We have a business requirement to only show a particular app/springboard icon if the user is in more than one certain role.  All of our users are in the EMPLOYEE role and would only want to show if they have roles other than EMPLOYEE.  Since we have many other roles, and roles can be pretty dynamic thus causing a level of maintenance, I'm not looking to code a #{!(securityContext.userInRole[]} expression.  I've tried a few different approaches, but can't quite seem to get it working.  Does anyone have any suggestions or input as to how I can evaluate a list of