diff --git a/.forgejo/dotnet-build/action.yml b/.forgejo/dotnet-build/action.yml
new file mode 100644
index 0000000..e707255
--- /dev/null
+++ b/.forgejo/dotnet-build/action.yml
@@ -0,0 +1,22 @@
+inputs:
+  # input-one:
+  #   default: 'one'
+  #   description: 'description one'
+  # input-two-required:
+  #   description: 'description two'
+  #   required: true
+outputs:
+  key:
+    description: 'output value'
+    value: "${{ steps.one.outputs.key }}"
+
+runs:
+  using: "composite"
+  steps:
+    - name: FORGEJO_ACTION_PATH
+      run: |
+        set -x
+        test -e "$FORGEJO_ACTION_PATH"
+        test "$FORGEJO_ACTION_PATH" = "${{ env.FORGEJO_ACTION_PATH }}"
+
+    - run: echo key=${{ inputs.input-two-required }} >> $FORGEJO_OUTPUT
diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
index b4f84d6..6548376 100644
--- a/.forgejo/workflows/demo.yaml
+++ b/.forgejo/workflows/demo.yaml
@@ -7,4 +7,8 @@ jobs:
   asdf:
     runs-on: dotnet
     steps:
-      - run: echo Dotnet I guess?
+      - id: dotnet-build
+        uses: ./.forgejo/dotnet-build
+        # with:
+        #   input-two-required: "two"
+      - run: test "${{ steps.dotnet-build.outputs.key }}" = "two"