diff --git a/args.adoc b/args.adoc
index ed041e2d1..da75f1ddf 100644
--- a/args.adoc
+++ b/args.adoc
@@ -103,3 +103,20 @@ Then finally, when you execute this command, it would look something like this (
 
 image::images/args-choices-exec.png[]
 
+=== Confirmation argument
+
+The `confirmation` type argument is a special argument type, which simply disables the "Start" button until a checkbox is ticked. This can be useful if you have an action with no other arguments, but you want to prevent accidental button-clicks starting the action.
+
+----
+actions:
+  - title: Delete old backups
+    icon: ashtonished
+    shell: rm -rf /opt/oldBackups/
+    arguments:
+      - type: confirmation
+        title: Are you sure?!
+----
+
+image::images/action-confirmation.png[]
+
+Notice in the webui the "start" button is disabled.
diff --git a/images/action-confirmation.png b/images/action-confirmation.png
new file mode 100644
index 000000000..d681c03ff
Binary files /dev/null and b/images/action-confirmation.png differ