Running a transformation in silent mode suppresses all dialog boxes that the transformation generates. The transformation applies default rules and behavior, which might generate unexpected or incorrect transformation output. You should only run a transformation in silent mode when you need to validate that the transformation runs, instead of validating the transformation output. For example, you might run a transformation in silent mode as part of an automated task or automated test suite.
Specifying that the C++-to-UML transformation runs in silent mode suppresses the merge editor. If these is a conflict during the merge, the transformation stops and you must rerun the transformation with the silent options cleared.
To set a transformation to run in silent mode: