archive/chromebook-checkout-meteor/client/teacher.js

ReactiveTabs.createInterface({
  template: 'teacherTabs',
  onChange: function (slug, template) {
    // This callback runs every time a tab changes.
    // The `template` instance is unique per {{#basicTabs}} block.
    console.log('[tabs] Tab has changed! Current tab:', slug);
    console.log('[tabs] Template instance calling onChange:', template);
  }
});

Template.teacher.helpers({
  tabs: function () {
    // Every tab object MUST have a name and a slug!
    return [
      { name: 'Single', slug: 'single' },
      { name: 'Carts', slug: 'carts' }
   		 ];
	}
});