Use the Export to BITS workflow action to transform Content XML to BITS XML.
|Input||Click the Choose File icon to choose the Content XML file to be transformed.|
|Output||Enter the filename for the BITS XML file that will be generated. For example, output-1.xml|
|Resources||Select the XZIP file containing the XSLT that will handle the transformation.|
TIP Click the Lightning bolt icon to add workflow variables (such as today's date) in the Input, Output, and Resources fields.