diff --git a/THPinViewController/THPinView.h b/THPinViewController/THPinView.h
index 47cbb75..1d9328b 100644
--- a/THPinViewController/THPinView.h
+++ b/THPinViewController/THPinView.h
@@ -20,6 +20,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)cancelButtonTappedInPinView:(THPinView *)pinView;
 - (void)correctPinWasEnteredInPinView:(THPinView *)pinView;
 - (void)incorrectPinWasEnteredInPinView:(THPinView *)pinView;
+- (void)pinViewDidStartEntering:(THPinView *)pinView;
 
 @end
 
@@ -32,6 +33,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign) BOOL disableCancel;
 
 - (instancetype)initWithDelegate:(nullable id<THPinViewDelegate>)delegate NS_DESIGNATED_INITIALIZER;
+- (void) resetInput;
 
 @end
 
diff --git a/THPinViewController/THPinView.m b/THPinViewController/THPinView.m
index d3edd3b..a87df44 100644
--- a/THPinViewController/THPinView.m
+++ b/THPinViewController/THPinView.m
@@ -242,6 +242,10 @@ - (void)pinNumPadView:(THPinNumPadView *)pinNumPadView numberTapped:(NSUInteger)
 {
     NSUInteger pinLength = [self.delegate pinLengthForPinView:self];
     
+    if (pinLength == 0) {
+        [self.delegate pinViewDidStartEntering:self];
+    }
+    
     if (self.input.length >= pinLength) {
         return;
     }
diff --git a/THPinViewController/THPinViewController.h b/THPinViewController/THPinViewController.h
index 6ad78cc..d0685f2 100644
--- a/THPinViewController/THPinViewController.h
+++ b/THPinViewController/THPinViewController.h
@@ -30,6 +30,7 @@ static const NSInteger THPinViewControllerContentViewTag = 14742;
 - (void)pinViewControllerDidDismissAfterPinEntryWasUnsuccessful:(THPinViewController *)pinViewController;
 - (void)pinViewControllerWillDismissAfterPinEntryWasCancelled:(THPinViewController *)pinViewController;
 - (void)pinViewControllerDidDismissAfterPinEntryWasCancelled:(THPinViewController *)pinViewController;
+- (void)pinViewControllerDidStartEntering:(THPinViewController *)pinViewController;
 
 @end
 
@@ -45,6 +46,7 @@ static const NSInteger THPinViewControllerContentViewTag = 14742;
 @property (nonatomic, assign) BOOL disableDismissAniamtion;
 
 - (instancetype)initWithDelegate:(nullable id<THPinViewControllerDelegate>)delegate NS_DESIGNATED_INITIALIZER;
+- (void) clear;
 
 @end
 
diff --git a/THPinViewController/THPinViewController.m b/THPinViewController/THPinViewController.m
index a83310b..68b61a0 100644
--- a/THPinViewController/THPinViewController.m
+++ b/THPinViewController/THPinViewController.m
@@ -191,6 +191,12 @@ - (UIImage*)blurredContentImage
                 saturationDeltaFactor:1.8f maskImage:nil];
 }
 
+#pragma mark - THPinView actions
+- (void) clear
+{
+    [self.pinView resetInput];
+}
+
 #pragma mark - THPinViewDelegate
 
 - (NSUInteger)pinLengthForPinView:(THPinView *)pinView
@@ -247,4 +253,9 @@ - (void)incorrectPinWasEnteredInPinView:(THPinView *)pinView
     }
 }
 
+- (void)pinViewDidStartEntering:(THPinView *)pinView
+{
+    [self.delegate pinViewControllerDidStartEntering:self];
+}
+
 @end