}; todos.sync(syncOptions) .then(function(res){…}) .catch(function(err){…}) { "ok": true, "lastModified": 1434617181458, "errors": [], "created": [], // created locally "updated": [], // updated locally "deleted": [], // deleted locally "published": [ // published remotely { "last_modified": 1434617181458, "done": false, "id": "7ca54d89-479a-4201-8494", "title": "buy some bread", "_status": "synced" } ], "conflicts": [], "skipped": [] } { "ok": true, "lastModified": 1434617181458, "errors": [], "created": [], // created locally "updated": [], // updated locally "deleted": [], // deleted locally "published": [], // published remotely "conflicts": [ { "type": "incoming", // or outgoing "local": { "last_modified": 1434619634577, "done": true, "id": "7ca54d89-479a-4201-8494", "title": "buy some bread", "_status": "updated" }, "remote": { "last_modified": 1434619745465, "done": false, "id": "7ca54d89-479a-4201-8494", "title": "buy some bread and wine" } } ], "skipped": [] } OK Conflicts