Persisted Globals Group
Name
Enter a unique name for this group of persisted globals.
Allow values to be modified at sites
Check this value to allow these globals to be modified at Enterprise sites/hubs.
The Add button has a drop down list that allows you to specify the type of global value to be created. Choose from String, Integer, Double, Boolean and Date Time. You can also Change the currently highlighted global value. These two options open the Persisted Global form, which will be slightly different, depending on the type of global value.