From 8379ccc31d788ec6e27a750a2705d721f835e64b Mon Sep 17 00:00:00 2001
From: Ivar Løvlie <38570165+ivarlovlie@users.noreply.github.com>
Date: Wed, 31 Mar 2021 23:52:17 +0200
Subject: Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index 4a7819b..59610a9 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,9 @@ services.AddVippsEcommerceService(o => {
 With the above example, the service will look for configuration values in the current environment using names specified in [VippsConfigurationKeyNames.cs](https://github.com/ivarlovlie/IOL.VippsEcommerce/blob/master/src/IOL.VippsEcommerce/Models/VippsConfigurationKeyNames.cs), then in the configuration object. The environment variable name for a given property is also specified in it's XML-documentation.
 
 
+> [Environment.GetEnvironmentVariable](https://docs.microsoft.com/en-us/dotnet/api/system.environment.getenvironmentvariable?view=net-5.0) is used to retrieve environement variables, that means that user-secrets and anything else than process-spesific variables (`VARIABLE=value dotnet YourBinary.dll`) does not register on Unix systems.
+
+
 ## Caching
 
 The service can cache the credentials for api-access in a file with optional AES encryption, example:
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