Multiple faces-config.xml for JSF Application

We can use multiple faces-config.xml for JSF application, for that you have to specify file names for the JSF application in web configuration file(web.xml).

There is a built-in parameter of JSF named "javax.faces.CONFIG_FILES" we can use this paramete for JSF configuration files. This parameter can take any no. of files.
Add the following entry in web.xml file.

<context-param>
  <param-name>javax.faces.CONFIG_FILES</param-name>
   <param-value>
    /WEB-INF/faces-config1.xml,
    /WEB-INF/faces-config2.xml,
    /WEB-INF/faces-config3.xml
   </param-value>
</context-param>