With an input

.github/actions/test/action.yaml

@@ -1,13 +1,16 @@
 ---
 name: Test Composite Action
 description: test how composite actions work
+inputs:
+  TEST_SECRET:
+    description: Secret for testing purposes
+    required: true
 runs:
   using: composite
   steps:
     - name: clone repo
       uses: actions/checkout@v4
     - name: Use a secret
-      env:
-        TEST_SECRET: ${{ secrets.TEST_SECRET }}
+      shell: bash
       run: |-
-        echo "The secret is ${TEST_SECRET}"
+        echo "The secret is ${{ inputs.TEST_SECRET }}"

.github/workflows/test_codebuild.yaml

@@ -16,6 +16,8 @@ jobs:
           ls /opt
       - name: use-composite-action
         uses: ./.github/actions/test
+        with:
+          TEST_SECRET: ${{ secrets.TEST_SECRET }}
   # run-on-aws-container:
   #   runs-on:
   #     - codebuild-spacktainers-${{ github.run_id }}-${{ github.run_attempt }}