From 0d5da2ca773b573c04c2a14969fa5ecfa378a38f Mon Sep 17 00:00:00 2001
From: Benjamin Clot <benjamin.clot@gmail.com>
Date: Tue, 13 Nov 2018 11:28:59 +0100
Subject: [PATCH] Warning for labels not being filters of sizeConfig

Trying to shed a little light on https://github.com/prebid/Prebid.js/issues/3226
---
 dev-docs/publisher-api-reference.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dev-docs/publisher-api-reference.md b/dev-docs/publisher-api-reference.md
index 67310fa623..1c6ec4cf8d 100644
--- a/dev-docs/publisher-api-reference.md
+++ b/dev-docs/publisher-api-reference.md
@@ -1,3 +1,4 @@
+
 ---
 layout: page
 title: Publisher API Reference
@@ -1631,6 +1632,15 @@ To set size configuration rules, pass in `sizeConfig` as follows:
 
 pbjs.setConfig({
     sizeConfig: [{
+        'mediaQuery': '(min-width: 1600px)',
+        'sizesSupported': [
+            [1000, 300],
+            [970, 90],
+            [728, 90],
+            [300, 250]
+        ],
+        'labels': ['desktop-hd']
+    }, {
         'mediaQuery': '(min-width: 1200px)',
         'sizesSupported': [
             [970, 90],
@@ -1692,6 +1702,9 @@ Only one conditional may be specified on a given AdUnit or bid -- if both `label
 {: .alert.alert-warning :}
 If either `labeAny` or `labelAll` values is an empty array, it evaluates to `true`.
 
+{: .alert.alert-warning :}
+It is important to note that labels do not act as filters for sizeConfig. Using a screen of 1600px wide, the example above and `labelAll:["desktop"]` will *not* filter out sizes defined in the `desktop-hd` sizeConfig.
+
 Label targeting on the ad unit looks like the following:
 
 {% highlight js %}