Naming Conventions for BRFplus 
Application's name has to be unique.
Function's name inside an application has to be unique.
A valid name can contain the following set of characters: "0123456789ABCDEFGHIJKLMNOPQRSTUVWYXZ_/"
The first character should be a letter or a slash.
The name TABLE_LINE is not permitted for data objects as it is a reserved word.
Note
You can also create unnamed objects in BRFplus. Unnamed objects cannot be reused.