From e46d37c681fb01d817199f92735fe868f802851d Mon Sep 17 00:00:00 2001
From: Matthew Marcus <mmarcus@fanatics.com>
Date: Wed, 2 Mar 2016 16:41:31 -0800
Subject: [PATCH] Documentation for null initialization of initialVariables

Summary:Added information in Container API docs for null usage in initialVariables. Fixes https://github.com/facebook/relay/issues/700
Closes https://github.com/facebook/relay/pull/701

Differential Revision: D3001979

Pulled By: yungsters

fb-gh-sync-id: ceaf7e4cf0f45ed4f354a041b6ab474b66d23eff
shipit-source-id: ceaf7e4cf0f45ed4f354a041b6ab474b66d23eff
---
 docs/APIReference-Container.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/APIReference-Container.md b/docs/APIReference-Container.md
index 9660cafaab435..8f3cee4e844c4 100644
--- a/docs/APIReference-Container.md
+++ b/docs/APIReference-Container.md
@@ -134,6 +134,9 @@ module.exports = Relay.createContainer(ProfilePicture, {
   fragments: {
     user: () => Relay.QL`
       # The variable defined above is available here as `$size`.
+      # Any variable referenced here is required to have been defined in initialVariables above.
+      # An `undefined` variable value will throw an `Invariant Violation` exception.
+      # Use `null` to initialize unknown values.
       fragment on User { profilePicture(size: $size) { ... } }
     `,
   },