Custom tags wrap functionality in a page that can be called from a ColdFusion application page. ColdFusion custom tags built in CFML allow for rapid application development and code re-use while offering off-the-shelf solutions to many programming chores.
An online RealVideo title called "Creating Custom Tags" is available at the Allaire Alive section of our Web site. It presents an overview of custom tags as a component architecture for the emerging Web platform and outlines the creation and use of CFML custom tags.