1 files changed, 4 insertions, 0 deletions
diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
index 82ae0b14b5..ce42e14eea 100644
--- a/src/interfaces/wallet.h
+++ b/src/interfaces/wallet.h
@@ -242,6 +242,10 @@ public:
     // Get default change type.
     virtual OutputType getDefaultChangeType() = 0;
 
+    //! Register handler for unload message.
+    using UnloadFn = std::function<void()>;
+    virtual std::unique_ptr<Handler> handleUnload(UnloadFn fn) = 0;
+
     //! Register handler for show progress messages.
     using ShowProgressFn = std::function<void(const std::string& title, int progress)>;
     virtual std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) = 0;