{"json_modified": "2016-05-04T01:12:40.727153", "uuid": "294d03db-5ab6-4166-a733-d54d6e2d7cde", "title": "SettingsManager.addObserver()", "url": "/en-US/docs/Mozilla/B2G_OS/API/SettingsManager/addObserver", "tags": ["API", "B2G", "Reference", "Firefox OS", "Settings", "R\u00e9f\u00e9rence", "Non-Standard", "Non-standard", "Api", "Method"], "translations": [], "modified": "2016-05-04T01:12:40", "label": "SettingsManager.addObserver()", "localization_tags": [], "locale": "en-US", "id": 60655, "last_edit": "2016-05-04T01:01:24", "summary": "Sets up a callback function to be notified when a specific setting's value changes.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Summary", "title": "Summary"}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Example", "title": "Example"}, {"id": "Specification", "title": "Specification"}, {"id": "See_also", "title": "See also"}], "slug": "Mozilla/B2G_OS/API/SettingsManager/addObserver", "review_tags": []}