Data Mapper is the UI editor that allows users to map data in transition. For instance in a service task, users would need to map process variables to service inputs and similarly service output back to process variables etc.
Closing, migrated to JBoss Issue Tracker: https://issues.jboss.org/browse/BXMSDOC-1
Gemma Sheldon <gsheldon> updated the status of jira BXMSDOC-1 to Coding In Progress