gistfile1.txt

Parse.Cloud.define("PersonalActivity", function(request, response)
{
  var queryUserActivity = new Parse.Query("Activity");
  queryUserActivity.include("fromUser");
  queryUserActivity.equalTo("objectId", request.params.objectId);
  var userActivityArray = [];
  queryUserActivity.find(
  {
      success: function(fromUserActivities)
      {
        for (var i = 0; i < fromUserActivity; i++)
        {
          var fromUserActivity = fromUserActivities[i];
          userActivityArray.push(fromUserActivities.get("fromUser"));
        }
        response.success(userActivityArray);
      },
        error:function(error){
            response.error(error);
          }
    });
});