From 5f375cca4b67e6d6865358725f7b3016adc11dd4 Mon Sep 17 00:00:00 2001
From: Konrad Pabjan <konradpabjan@github.com>
Date: Mon, 6 Dec 2021 16:35:35 -0500
Subject: [PATCH] Document how to correctly use environment variables for path
 input (#274)

* Update README.md

* Update README.md
---
 README.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/README.md b/README.md
index 95b85263..10e084dd 100644
--- a/README.md
+++ b/README.md
@@ -205,6 +205,20 @@ Environment variables along with context expressions can also be used for input.
         path: ${{ github.workspace }}/artifact/**/*
 ```
 
+For environment variables created in other steps, make sure to use the `env` expression syntax
+
+```
+    steps:
+    - run: | 
+        mkdir testing
+        echo "This is a file to upload" > testing/file.txt
+        echo "artifactPath=testing/file.txt" >> $GITHUB_ENV
+    - uses: actions/upload-artifact@v2
+      with:
+        name: artifact
+        path: ${{ env.artifactPath }} # this will resolve to testing/file.txt at runtime
+```
+
 ### Retention Period
 
 Artifacts are retained for 90 days by default. You can specify a shorter retention period using the `retention-days` input: