Iron-Router Session Variable Hook

client.js

Meteor.call('setStatus', statusMessage, function(error, result){
   if(result)
   {
    Session.set('isAway', true)
    Router.go('/')
   } else {
     Router.go('/error')
   }
})

router.js

onBeforeAction: function () {
    var self = this;
    if(Meteor.userId())
    {
      Meteor.call('checkStatus',function(error,result){
        if(result)
        {
          Session.set('isAway',true)
          self.render('awayPage')
        } else {
          Session.set('isAway', false)
        }
      }) 
   }
    this.next()
  },
  action: function()
  {
    if(Session.set('isAway',true))
        this.render('awayPage')
    else
       this.render('homePage') 
  }