diff --git a/source/_integrations/lock.template.markdown b/source/_integrations/lock.template.markdown
index 9cd4f878a64..8674d4b52f3 100644
--- a/source/_integrations/lock.template.markdown
+++ b/source/_integrations/lock.template.markdown
@@ -82,6 +82,10 @@ lock:
     description: Defines an action to run when the lock is unlocked.
     required: true
     type: action
+  open:
+    description: Defines an action to run when the lock is opened.
+    required: false
+    type: action
   optimistic:
     description: Flag that defines if lock works in optimistic mode.
     required: false