This tag is deprecated for the UNIX platform.
Reads, writes, and deletes keys and values in the system registry. Provides persistent storage of client variables.
Other tags, Variable manipulation tags
The tag syntax depends on the action attribute value. See the following sections:
cfcookie, cfparam, cfsavecontent, cfschedule, cfset; "About resource and sandbox security" in "Securing Applications" and "Using Persistent Data and Locking"7 in the ColdFusion Developer's Guide
ColdFusion MX: