To install the Com Vaadin External Gwt User artifact in version 2.6.0.vaadin4 add the following dependency to your pom.xml file for Maven Project.
The dependency needs to be added in the dependencies section which is located in the main project tag of the pom.xml file. The sample pom.xml file that uses Com Vaadin External Gwt User dependency could look as follows:
Below you can find code snippets for other project build tools like Gradle, SBT, Ivy, Grape, Leiningen, and Buildr.