Reserved words
The following list indicates words you must not use for
ColdFusion variables, user-defined function names, or custom tag
names. Although you can safely use some of these words in some situations,
you can prevent errors by avoiding them entirely.
Any name starting with cf. However, when you call a CFML
custom tag directly, you prefix the custom tag page name with cf_.
Built-in function names, such as Now or Hash
Scope names, such as Form or Session
Operators, such as NE or IS
The names of any built-in data structures, such as Error
or File
The names of any built-in variables, such as RecordCount
or CGI variable names
The following CFScript language element names:
Remember that ColdFusion is
not case sensitive. For example, all of the following are reserved
words: IS, Is, iS, and is.