WatchDocumentService allows users to watch/unwatch a document. If they are watching the document, they will receive a notification mail when there are any changes on the document.
The configuration of this component is found in _/core/core-configuration/src/main/webapp/WEB-INF/conf/wcm-core/core-services-configuration.xml_.

{code}
<component>
	  <key>org.exoplatform.services.cms.watch.WatchDocumentService</key>
	  <type>org.exoplatform.services.cms.watch.impl.WatchDocumentServiceImpl</type>
	  <init-params>
      <object-param>
        <name>messageConfig</name>
        <description>description</description>
        <object type="org.exoplatform.services.cms.watch.impl.MessageConfig">
          <field  name="sender"><string>support@exoplatform.com</string></field>
          <field  name="subject"><string>Your watching document is changed</string></field>
          <field  name="content">
          	<string>The document that you are watching is changed.
                    Please go to ecm to see this change
            </string>
          </field>
        </object>
      </object-param>
    </init-params>
</component>
{code}

*Details*:

* Object type: _org.exoplatform.services.cms.watch.impl.MessageConfig_
||Field name||Type|| Default value || Description ||
|*sender* |string|support@exoplatform.com|The sender who sends the notification mail.|
|*subject* |string|Your watching document is changed.|The subject of the notification mail.|
|*content* |string|The document that you are watching is changed. Please go to ecm to see this change.|The content of the notification mail. |
