backbone.js pass param from router to views -

below router function have id parameter.my question how pass id camp views..thanks..i tried following..when alert in views says undefined

router.js

editcampaign :function(id){         $('#content').empty();         require([ 'views/camp' ], function(editcampaign) {             $('#content').html(new editcampaign({campaignid:id}).render().$el);         });     }, 

views.js

  sm.views.editcampaign = backbone.view.extend({myid:id ,          template : _.template(editcampaigntnpl),         campaignid : 0,         initialize : function() {             _self1=this;             alert(myid); //this says undefined             this.campaign = new campaign();             this.newscenario = new newscenarioview();         }, 

just add initialize function first line:

initialize : function(options) {         this.campaignid = options.campaignid; // <===         this.myid = options.campaignid;          _self1=this;         alert(myid); //this says undefined         this.campaign = new campaign();         this.newscenario = new newscenarioview(); },