Example: $on and $broadcast in angular

With out Arguments

To $broadcast use the $rootScope:

$scope.startCamera = function() { $rootScope.$broadcast('camera-started'); }

To receive, use the $scope of your controller:

$scope.$on('camera-started', function(event, args) { // do something });

With Arguments

To pass arguments when you $With out Arguments:

$rootScope.$broadcast('camera-started', { any: {} }); To receive arguments :

$scope.$on('camera-started', function(event, args) { var anyArg = args.any;  // do something });