Solved! Go to Solution.
dojo.connect(TNMap.map, "onLayerAddResult", function (result, error) { if (result.credential && result.credential.userId){ console.log(result.credential); }; });
dojo.connect(TNMap.map, "onLayerAddResult", function (result, error) { if (result.credential && result.credential.userId){ console.log(result.credential); }; });
esri.id.credentials[0].userId