Message Queue reception definition file is described here.

• Message Queue reception definition file
  This file is required to set up the parameters required for using Message Queue reception. At the time of deployment of Message Queue reception, the contents set up in the Message Queue reception definition file are written in the application integration attribute file and this file is enabled when starting Message Queue reception.
  

For Message Queue reception definition file, edit and use the template file (cscurecpmq.properties) provided by service platform when adding Message Queue reception. Therefore, you need create Message Queue reception definition file.

An example of describing Message Queue reception definition file is as follows:

 
resource-adapter=WebSphere_MQ_Resource_Adapter
activation-config.destination=QUEUE.NAME
activation-config.username=user1