Viewing a Function 
To modify a function, or to delete it, you must first search for and view the function.
Procedure
To view a function:
Navigate to
Rule Architect 
Functions Search 
The Search Functions screen appears.Choose Search.
The Search Functions pane appears.
Use the fields in this pane to filter your results, and choose Search.
Restrict your search with filters or search terms, or the search returns all existing functions. The search supports wildcards (*).
When you choose Search, all of the functions that meet the search criteria open in a Search Results window.