     }
     
     /**
+    Adds `UISwipeGestureRecognizer` instance to view.
+    
+    - parameters:
+        - to: Swipe direction.
+        - handle: Called when `UISwipeGestureRecognizer` instance changes its state.
+    
+    - returns:
+        Reference to receiver for support of chain calls.
+    */
+    @discardableResult
+    public func onSwipe(to direction: SwipeDirection, handle: @escaping GestureRecognizerHandlerBlock<UISwipeGestureRecognizer>) -> Self {
+        return onSwipe(to: direction, when: .always, handle: handle, configure: nil)
+    }
+    
+    /**
     Adds `UIScreenEdgePanGestureRecognizer` instance to view.
     
     - parameters:

         */
        
        return self
    }
    
    /**

        Reference to receiver for support of chain calls.
    */
    @discardableResult
    public func onSwipe(when handlerReuseCount: GestureHandlerReuseCount, handle: @escaping GestureRecognizerHandlerBlock<UISwipeGestureRecognizer>, configure: GestureRecognizerHandlerBlock<UISwipeGestureRecognizer>?) -> Self {
        /*
         * Obtain handler block for gesture recognizer.
         */
