$scope.$on function is not running

[Imane Alfaqir]

Hi everybody, I'm trying to use $scope.$on and $rootScope.$broadcast in order to use a variable of a controller function in another controller function. I have already use this for other purpose, so my issue is the $scope.$on function isn't executing, I tried to make alert inside it but I didn't get any alert, I don't know what is the problem. Here is a snippet of my code to illustrate the issue. Thankx for advance :)

    app1.controller('autoCompleteCTRL',function($scope,$rootScope,$http) {
      $scope.$on("myEvent3", function (event, args) {
    alert(1);
    $scope.SearchNearPoint= args.value;

    $http({
    method: "get",
    url: "path/to/file.php",
    dataType: 'json',
    params: { 'userText': $scope.searchText},
    async: false

    }).success(function(data, status, headers, config) {
    $rootScope.suggestions = data;

    }).error(function(data, status, headers, config) {

    });

 }); 

app1.controller('BasicCenterController', function($scope, leafletData,$http) {
$scope.$root.$broadcast("myEvent3", {

        value: startLatLng

    });

});`

[Manish Pal]

Not sure, what $scope.$root is...but if you $broadcast it from $rootScope, your other controller would get it.

in fact won't be a bad idea to do $rootScope.$emit and then other controller listens to $rootScope.$on, that ways the event won't have to go through all the scopes on your page.

[Imane Alfaqir]

First thank you for your answer and I'm sorry to be late. This works onlu if I put $rootScope.$on inside function, but if I put it outside doesn't work I don't understand why.

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[Manish Pal]

what do you mean inside the function ?

well, as long as the place where you place it, is able to find the $rootScope, it would work. Needs to be injected in the controller where you would use it from.

[Manish Pal]

what do you mean inside the function ?

well, as long as the place where you place it, is able to find the $rootScope, it would work. Needs to be injected in the controller where you would use it from.