Pass extra parameter to linkservlet while previewing

Sometime to fulfill business needs we would need to send extra parameter to the linkservlet Following there step process needs to be done for that:

1) Update the war using below steps :

extract the ifcr.war at ENDECA_TOOLS_ROOT/server/webapps to any temp folder say ifcr-11.0.0
extract the ifcr-11.0.0\WEB-INF\resources\bundles\25\ExperienceManagerContent-11.0.0-xmgr.jar to any temp folder say ExperienceManagerContent-11.0.0-xmgr

you will need to change ifcr-11.0.0\WEB-INF\resources\bundles\25\ExperienceManagerContent-11.0.0-xmgr\content\app.js file as below :

make changes to preview: function(f, c)  function :

Add following :

b = Ext.urlAppend(b, "newVariable=" + encodeURIComponent("my custom variable"));

2) Once this is added , copy the file to any location say desktop. Now use 7-zip to drag the file in war as explained in following blog :

update war file content

3) Deploy the war as explained in following blog :

Deploy custom Ifcr war