1<plugin>
 2    ...
 3    <executions>
 4        <execution>
 5            <!-- optional: you don't really need execution ids, but it looks nice in your build log. -->
 6            <id>install node and npm</id>
 7            <goals>
 8                <goal>install-node-and-npm</goal>
 9            </goals>
10            <!-- optional: default phase is "generate-resources" -->
11            <phase>generate-resources</phase>
12        </execution>
13    </executions>
14    <configuration>
15        <nodeVersion>v4.6.0</nodeVersion>
16
17        <!-- optional: with node version greater than 4.0.0 will use npm provided by node distribution -->
18        <npmVersion>2.15.9</npmVersion>
19        
20        <!-- optional: where to download node and npm from. Defaults to https://nodejs.org/dist/ -->
21        <downloadRoot>http://myproxy.example.org/nodejs/</downloadRoot>
22    </configuration>
23</plugin>