From b12f11eb7e82c8418b7b377f60cbb3e17dfdf05f Mon Sep 17 00:00:00 2001
From: Angelo Paparazzi <Angelo.Paparazzi@ibm.com>
Date: Tue, 25 Aug 2020 15:30:46 -0400
Subject: [PATCH] fix: visual reconition v4

---
 visual-recognition/v4.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/visual-recognition/v4.ts b/visual-recognition/v4.ts
index 23a60cd413..455f106f50 100644
--- a/visual-recognition/v4.ts
+++ b/visual-recognition/v4.ts
@@ -118,8 +118,8 @@ class VisualRecognitionV4 extends BaseService {
       }
 
       const formData = {
-        'collection_ids': _params.collectionIds,
-        'features': _params.features,
+        'collection_ids': Array.isArray(_params.collectionIds) ? _params.collectionIds.join(',') : _params.collectionIds,
+        'features': Array.isArray(_params.features) ? _params.features.join(',') : _params.features,
         'images_file': _params.imagesFile,
         'image_url': _params.imageUrl,
         'threshold': _params.threshold