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1. On the Ambari Server host, browse to /etc/ambari-server/conf directory.
   
2. Edit the ambari.properties file.

3. Add an entry for the location of your new template (that will override the default template). 

   Code Block
   alerts.template.file=/foo/var/alert-templates-custom.xml

   
   

4. Save the file and restart Ambari Server.
   

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Example: Modify Alert EMAIL Subject

 The following example illustrates how to change the subject line of all outbound email notifications to include a hard coded identifier:

1. Download the alert-templates.xml code as your starting point.
2. On the Ambari Server, save the template to a location such as /var/lib/ambari-server/resources/alert-templates-custom.xml .
   
3. Edit the alert-templates-custom.xml file and modify the subject link for the <alert-template type="EMAIL"> template:
     

   Code Block
   <subject> <![CDATA[Petstore Ambari has $summary.getTotalCount() alerts!]]> </subject>

    

    
4. Save the file.
5. Browse to /etc/ambari-server/conf directory.
   
6. Edit the ambari.properties file.

7. Add an entry for the location of your new template file.
    

   Code Block
   alerts.template.file=/var/lib/ambari-server/resources/alert-templates-custom.xml

   
   

8. Save the file and restart Ambari Server.