code: function(request, response, next){
  		var apptkn;
  		if (!utils.Misc.isNullOrUndefined(request.get(X_BOLT_APP_TOKEN))) {
  			apptkn = request.get(X_BOLT_APP_TOKEN);
  		}
  		else {
  			var error = new Error(errors['110']);
  			response.end(utils.Misc.createResponse(null, error, 110));
  			return;
  		}
  
  		var name = __getAppFromAppToken(apptkn, request);
  		if (utils.Misc.isNullOrUndefined(name)) {
  			var error = new Error(errors['113']);
  			response.end(utils.Misc.createResponse(null, error, 113));
  			return;
  		}
  		var appnm = utils.String.trim(name.toLowerCase());
  		request.appName = appnm;
  
  		next();
  	}
docs: gets the app name from the request