diff --git a/src/rust/slide_model.rs b/src/rust/slide_model.rs
index 870a97a..26c45b6 100644
--- a/src/rust/slide_model.rs
+++ b/src/rust/slide_model.rs
@@ -116,6 +116,9 @@ pub mod slide_model {
         #[qinvokable]
         fn next(self: Pin<&mut SlideModel>) -> bool;
 
+        #[qinvokable]
+        fn prev(self: Pin<&mut SlideModel>) -> bool;
+
         #[qinvokable]
         fn get_slide_from_service(
             self: Pin<&mut SlideModel>,