fcm_downstream_angular

$http({
	dataType	: "jsonp",
	url		: "http://fcm.googleapis.com/fcm/send",
	method		: "POST",
	headers		: {
              "Content-Type":"application/json",
              "Autherization":"key=<your server key>" // your server key	
              }
	data: JSON.stringify(
          {
            "notification":{
              "title":"<any title>",  
              "body": "<any message>", 
              "sound": "default", //If you want notification sound
              
              
            },
          // This is payload data 
            "data":{  
              "param1":"value1",  //Any data to be retrieved in the notification callback
              "param2": $scope.formData.message
            },
            "to":"/topics/all", //Topic or single device
            "priority":"high", //If not set, notification won't be delivered on completely closed iOS app
            "restricted_package_name":"" //Optional. Set for application filtering
          }
        )
    }).success(function(data){
      alert("Success: " + JSON.stringify(data));
    }).error(function(data){
      alert("Error: " + JSON.stringify(data));
    });	
});