DRA --> User's guide --> options

Option TRACE

The only valid specification is TRACE()

Causes DRA to issue trace messages in chronological order. i.e. as the events occur. For instance, when a DLL is being loaded, when a function is being called, etc.

The trace messages are written to the LE message file using LE callable service CEEMOUT.
LE Runtime option MSGFILE can be used to specify the name of the DD statement (default CEEOUT).
If the program runs under CICS then LE will direct the messages to transient data queue CESE.