diff --git a/sample-build/06-trigger-binding.yaml b/sample-build/06-trigger-binding.yaml
index c206c92..a17f613 100644
--- a/sample-build/06-trigger-binding.yaml
+++ b/sample-build/06-trigger-binding.yaml
@@ -9,4 +9,6 @@ spec:
     - name: git-url
       value: $(body.repository.clone_url)
     - name: git-revision
-      value: $(body.ref)
\ No newline at end of file
+      value: $(body.ref)
+    - name: commit-sha
+      value: $(extensions.short_sha)
\ No newline at end of file