HelloWorld3_META-INF_plugin.xml

<idea-plugin version="2">
  <id>com.yourcompany.unique.plugin.id</id>
  <name>Plugin display name here</name>
  <version>1.0</version>
  <vendor email="support@yourcompany.com" url="http://www.yourcompany.com">YourCompany</vendor>

  <description><![CDATA[
      Enter short description for your plugin here.<br>
      <small>most HTML tags may be used</small>
      ]]></description>

  <change-notes><![CDATA[
      Add change notes here.<br>
      <small>most HTML tags may be used</small>
      ]]>
  </change-notes>

  <!-- please see http://confluence.jetbrains.net/display/IDEADEV/Build+Number+Ranges for description -->
  <idea-version since-build="107.105"/>

  <!-- please see http://confluence.jetbrains.net/display/IDEADEV/Plugin+Compatibility+with+IntelliJ+Platform+Products
       on how to target different products -->
  <!-- uncomment to enable plugin in all products
  <depends>com.intellij.modules.lang</depends>
  -->

  <application-components>
    <!-- Add your application components here -->
  </application-components>

  <project-components>
    <!-- Add your project components here -->
  </project-components>

  <actions>
    <!-- Add your actions here -->
  </actions>

  <extensions defaultExtensionNs="com.intellij">
    <!-- Add your extensions here -->
  </extensions>
</idea-plugin>