Update blank.yml

.github/workflows/blank.yml

@@ -1,38 +1,32 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
 
-# Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the "main" branch
   push:
     branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
-
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
   build:
-    # The type of runner that the job will run on
     runs-on: ubuntu-latest
     strategy:
       matrix:
         version: [blue, red, green]
+    outputs:
+      output1: ${{ steps.step1.outputs.test }}
+      output2: ${{ steps.step2.outputs.test }}
 
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v4
+      - id: step1
+        run: echo "test=hello" >> "$GITHUB_OUTPUT"
+      - id: step2
+        run: echo "test=world" >> "$GITHUB_OUTPUT"
 
-      # Runs a single command using the runners shell
-      - name: Run a one-line script
-        run: echo Hello, world!
-
-      # Runs a set of commands using the runners shell
-      - name: Run a multi-line script
-        run: |
-          echo Add other actions to build,
-          echo test, and deploy your project.
+  downstream:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: echo
+        run: ${{ needs.build.outputs[format('output{0}', matrix.color)] }}