diff --git a/manifest.json b/manifest.json
index bc7a316..7f66dcc 100644
--- a/manifest.json
+++ b/manifest.json
@@ -32,6 +32,16 @@
 				},
 				"example": "domain.org"
             },            
+	    {
+                "name": "whatsappbot",
+                "type": "string",
+                "ask": {
+                    "en": "Choose the user name of the whatsapp bot for which to create a YunoHost and a local synapse server account",
+                    "fr": "Choisissez le nom d'utilisateur du robot whatsapp pour lequel un compte sera créé sur YunoHost et le serveur local synapse"
+                },
+                "example": "whatsappbot"
+		"default": "whatsappbot"
+            },
 	    {
                 "name": "botadmin",
                 "type": "string",