Integrations (PTC products, 3rd party products and code) > 3rd party product integrations (CM, DOORS, OSLC, Rose, Simulink and XML) > Configuration management tool integration > How to... > Manage packages > Comparing a Modeler package with its associated CM tool package (CM tool integration)
  
Comparing a Modeler package with its associated CM tool package (CM tool integration)
• From Modeler, right-click the Package you want to compare, point to Configuration Management, and then click Diff.
Modeler opens the Model Differencer dialog. For more information about working with the Model Differencer dialog, click here
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• To compare Packages, you require read access to the CM tool Package, and read access to the Modeler Package.
• You can generate an xml difference report for a Package through the ModelDifferencer.exe application. For more information about creating xml difference reports, Generating XML difference reports