Rocket.Chat/packages/rocketchat-message-snippet/client/router.js

FlowRouter.route('/snippet/:snippetId/:snippetName', {
	name: "snippetView",
	action: function(params, queryparams) {
		BlazeLayout.render('main', {center: "snippetPage", flexTabBar: null }, );
	},
	triggersEnter: [ function() {
		RocketChat.TabBar.closeFlex();
		RocketChat.TabBar.hide();
	}],
	triggersExit: [
		function() {
			RocketChat.TabBar.show();
		}
	]
});