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UML Class Diagram Plugin

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runtime "org.grails.plugins:uml-class-diagram:0.4.4"

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Generate UML class diagrams from your Grails app source code.


In the file BuildConfig.groovy, in the plugins section (requires grails 2.0 or later):

runtime ":uml-class-diagram:0.4.0"

You also need to install GraphViz, through your favorite package manager, or via


This plugin generates UML diagrams through introspection.

Three main types of diagrams are available:

  • Domain class diagrams: describe the relations between the Domain classes, and list their fields
  • Controller/Service class diagrams: describe the relations between controllers and services
  • Database diagrams: describe relations within a relational database, and list the columns
For more information: