This returns information about a specific classifier ID you have trained. This includes information about its current status (i.e., if it is ready or not).
'use strict';
let watson = require('watson-developer-cloud');
var visualRecognition = watson.visual_recognition({
version: 'v3',
api_key: process.env.API_KEY,
version_date:'2016-05-19'
});
visualRecognition.getClassifier({classifier_id: 'DogBreeds_1162972348'}, function(error, results) {
console.log(JSON.stringify(results,null,2));
});