Mise à jour de 'How to create a new LXC'

How-to-create-a-new-LXC.md

@@ -506,4 +506,16 @@ If nothing is specified, the script will use the VM/LXC folder (`<repo>/lxc/<id>
 
 </details>
     
+#### Global parameters
+You can specific global parameters in your types:
+<details>
+  <summary>Warning</summary>
+
+*Display a warning message in the logs*
+```yaml
+- type: <any type of step>
+  warning: <text to display in logs for this step>
+```
+
+</details>