diff --git a/modules/client/back/methods/tpv-transaction/confirm.js b/modules/client/back/methods/tpv-transaction/confirm.js
index b7d0c736f..a26e0bad6 100644
--- a/modules/client/back/methods/tpv-transaction/confirm.js
+++ b/modules/client/back/methods/tpv-transaction/confirm.js
@@ -20,6 +20,10 @@ module.exports = Self => {
                 required: true,
             }
         ],
+        returns: {
+            type: 'Boolean',
+            root: true
+        },
         http: {
             path: `/confirm`,
             verb: 'POST'
@@ -66,5 +70,7 @@ module.exports = Self => {
                 params['Ds_Response'],
                 params['Ds_ErrorCode']
             ]);
+
+        return true;
     };
 };