org.eclipse.ajdt.ui.tests/workspace/Hello World Plugin/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin
   id="HelloWorld"
   name="HelloWorld Plug-in"
   version="1.0.0"
   provider-name=""
   class="helloWorld.HelloWorldPlugin">

   <runtime>
      <library name="HelloWorld.jar">
         <export name="*"/>
      </library>
   </runtime>

   <requires>
      <import plugin="org.eclipse.ui"/>
      <import plugin="org.eclipse.core.runtime"/>
      <import plugin="org.aspectj.runtime"/>
   </requires>

   <extension
         point="org.eclipse.ui.actionSets">
      <actionSet
            label="Sample Action Set"
            visible="true"
            id="HelloWorld.actionSet">
         <menu
               label="Sample &amp;Menu"
               id="sampleMenu">
            <separator
                  name="sampleGroup">
            </separator>
         </menu>
         <action
               label="&amp;Sample Action"
               icon="icons/sample.gif"
               class="helloWorld.actions.SampleAction"
               tooltip="Hello, Eclipse world"
               menubarPath="sampleMenu/sampleGroup"
               toolbarPath="sampleGroup"
               id="helloWorld.actions.SampleAction">
         </action>
      </actionSet>
   </extension>

</plugin>