Data Transformation Engine IBM WebSphere MQ Adapter Reference Guide

Chapter 6 - Example Files Using the Sample Type Tree
IBM WebSphere MQ Adapter Reference Guide
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The mq.mtt type tree is organized so that you can drag the MQSeries root type
to another type tree to easily use any of the IBM WebSphere MQ-specific headers.
For example:
Mapping Message Data Only
By default, the adapter does not use message descriptors. On input, it returns
only the body of the received message, and on output, it treats the data that it
receives as the message body.
Even if you do not need to use message descriptors, you can still use this same
example tree to define the content of the message.