core-integration-testing/core-integration-tests/src/test/resources/it0115-customArtifactHandlerAndCustomLifecycle/test-project/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project
    xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.apache.maven.its.it0115</groupId>
  <artifactId>test-project</artifactId>
  <name>Test Project</name>
  <version>1.0-SNAPSHOT</version>
  <inceptionYear>2007</inceptionYear>

  <packaging>xar</packaging>

  <build>
    <extensions>
      <extension>
        <groupId>org.apache.maven.its.it0115</groupId>
        <artifactId>test-extension</artifactId>
        <version>1.0-SNAPSHOT</version>
      </extension>
    </extensions>
  </build>

</project>