if (Meteor.isClient){
    //e.g.
    yourName = new ReactiveVar("John Smith")
    // make every ReactiveVar available by its name in meteor templates
    _.chain(this).pairs().filter(function(pair){
        return (pair[1] instanceof ReactiveVar);
    }).each(function(pair){
        Template.registerHelper(pair[0], function(){
            return pair[1].get();
        });
    });
}