ColdFusion components encapsulate multiple, related, functions. A ColdFusion component is essentially a set of related user-defined functions and variables, with additional functionality to provide and control access to the component contents. ColdFusion components can make their data private, so that it is available to all functions (also called methods) in the component, but not to any application that uses the component.
ColdFusion components have the following features:
For more information on ColdFusion components, see Chapter 11, "Building and Using ColdFusion Components"