You can load a registration file automatically upon initialization of Creo Elements/Direct Annotation. Add the following line to the am_customize file:
(load "filename")
Remove a symbol registration
To remove the registration of a single symbol type from the current session, enter the following in the user input line:
(sd-am-unregister-symbol "name")
where name is the name of the symbol as seen in the Template Browser.
To clear all registered symbols from the current session, enter the following in the user input line: