Description for the Mapper

This image shows the mapper. In the upper left are the View field, Filter link, and Detach link. Below this is the Source tree and Find field. In the middle is the Mappings section. On the right are the View field, Filter link, and Detach link. Below this is the Tree tree and Find field. At the very far right is the Mapping section.

In the Source Tree, ID is mapped to ID in the Target tree. The value in the Mapping section is for-each(ID), ID In the Source Tree, type is mapped to type in the Target tree. The value in the Mapping section is type.