diff --git a/releasenotes/notes/support-created-at-yaql-function-execution-6ece8eaf34664c38.yaml b/releasenotes/notes/support-created-at-yaql-function-execution-6ece8eaf34664c38.yaml
new file mode 100644
index 000000000..3c85136db
--- /dev/null
+++ b/releasenotes/notes/support-created-at-yaql-function-execution-6ece8eaf34664c38.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - Mistral action developer can get the start time of a workflow execution by
+    using ``<% execution().created_at %>``.