maven-script/maven-script-ant/src/test/resources/META-INF/maven/plugin-2.1.xml

<plugin>
  <description>Test Plugin</description>
  <groupId>org.myplugin</groupId>
  <artifactId>my-plugin</artifactId>
  <version>1</version>
  <goalPrefix>myplugin</goalPrefix>
  <isolatedRealm>false</isolatedRealm>
  <inheritedByDefault>true</inheritedByDefault>
  <mojos>
    <mojo>
      <goal>test</goal>
      <description>Build a JAR from the current project.</description>
      <requiresDirectInvocation>false</requiresDirectInvocation>
      <requiresProject>false</requiresProject>
      <requiresReports>false</requiresReports>
      <aggregator>false</aggregator>
      <requiresOnline>false</requiresOnline>
      <inheritedByDefault>true</inheritedByDefault>
      <implementation>test.build.xml:test</implementation>
      <language>ant</language>
      <instantiationStrategy>per-lookup</instantiationStrategy>
      <executionStrategy>once-per-session</executionStrategy>
      <parameters>
		<parameter>
			<name>basedir</name>
			<required>true</required>
			<editable>false</editable>
			<type>java.io.File</type>
		</parameter>
		<parameter>
			<name>messageLevel</name>
			<required>true</required>
			<editable>false</editable>
			<type>java.lang.String</type>
		</parameter>
		<parameter>
			<name>project</name>
			<required>true</required>
			<editable>false</editable>
			<type>org.apache.maven.project.MavenProject</type>
		</parameter>
		<parameter>
			<name>session</name>
			<required>true</required>
			<editable>false</editable>
			<type>org.apache.maven.execution.MavenSession</type>
		</parameter>
		<parameter>
			<name>mojoExecution</name>
			<required>true</required>
			<editable>false</editable>
			<type>org.apache.maven.plugin.MojoExecution</type>
		</parameter>
      </parameters>
      <configuration>
        <project implementation="org.apache.maven.project.MavenProject">${project}</project>
        <session implementation="org.apache.maven.execution.MavenSession">${session}</session>
        <mojoExecution implementation="org.apache.maven.plugin.MojoExecution">${mojoExecution}</mojoExecution>
        <basedir implementation="java.io.File">${basedir}</basedir>
        <messageLevel implementation="java.lang.String">${messageLevel}</messageLevel>
      </configuration>
      <requirements>
        <requirement>
          <role>org.apache.maven.project.path.PathTranslator</role>
        </requirement>
      </requirements>
    </mojo>
  </mojos>
</plugin>