ColdFusion Java CFX reference Java interfaces for building ColdFusion custom components in Java. Class libraries overview Java interfaces for building ColdFusion custom CFXs in Java. Custom tag interface Interface for implementing custom tags. Query interface Interface to a query used or created by a custom tag. Request interface Interface to a request made to a custom tag. Response interface Interface to response generated from a custom tag. Debugging classes reference Description of DebugRequest, DebugResponse, and DebugQuery classes. Some content linked from this page may appear in English only.