# DITA Best Practices : Transformation Scenarios

Created by Kelly Mankenberg, last modified on Sep 13, 2013

Before transforming the current edited XML document in <oXygen/> you must define a transformation scenario to apply to that document. A scenario is a set of values for various parameters defining a transformation.

# Global Transformation Scenarios

Global Transformation Scenarios are used to ensure that all projects you create have immediate access to the necessary custom transformation scenarios. For more information, refer to Importing Transformation Scenarios into oXygen.