Select the Enterprise level, click Configuration, and then click Roles.
Select the role type (for example, administrator), and
then click the EMC Modules tab.
In the Touchscreens section, select the appropriate Extension Application Posting permissions for the user
role. You can grant permissions for the following actions:
View: Open and view the Extension Application
module. If you allow a user to Edit, you must also grant View access
(otherwise the user cannot open the module).