How to retrieve Requester associated Director email in Service Now ?

This blog explains about how to retrieve any requester associated director email Address.

Scenario : Need to assign a specific request to requester associated director for approval

- Below method recursively calls until it finds the 'Director' role for a specific user

var answer=[];  

answer.push(findDirector(current.variables.u_requester.toString()));  //pass the sys_id of user 

function findDirector(id){  

var gr= new GlideRecord("sys_user");  

gr.get(id);  

if(gr.title.indexOf("Director")>-1){    

return gr.getValue('sys_id');  

}  

else{  

return findDirector(gr.getValue("manager"));  

}  

}