diff --git a/RotatoryKnob/src/main/java/com/zwarriorteam/rotatoryknob/RotatoryKnobView.java b/RotatoryKnob/src/main/java/com/zwarriorteam/rotatoryknob/RotatoryKnobView.java
index 3239dfa..909761f 100644
--- a/RotatoryKnob/src/main/java/com/zwarriorteam/rotatoryknob/RotatoryKnobView.java
+++ b/RotatoryKnob/src/main/java/com/zwarriorteam/rotatoryknob/RotatoryKnobView.java
@@ -57,8 +57,8 @@ private void readAttributes(Context context, AttributeSet attrs){
         knobRotorRes_Active  = typedArray.getResourceId(R.styleable.RotatoryKnobView_RotatoryKnob_ImageActive, R.drawable.light_knob_rotor);
         knobRotorRes_InActive  = typedArray.getResourceId(R.styleable.RotatoryKnobView_RotatoryKnob_ImageInactive, R.drawable.light_knob_rotor_inactive);
 
-        knobRotorTapButtonRes_Active  = typedArray.getResourceId(R.styleable.RotatoryKnobView_knobRotorTapButtonRes_ImageActive, R.drawable.knob_rotor_btn_active);
-        knobRotorTapButtonRes_InActive  = typedArray.getResourceId(R.styleable.RotatoryKnobView_knobRotorTapButtonRes_ImageInActive, R.drawable.knob_rotor_btn_inactive);
+        knobRotorTapButtonRes_Active  = typedArray.getResourceId(R.styleable.RotatoryKnobView_RotatoryKnobTap_ImageActive, R.drawable.knob_rotor_btn_active);
+        knobRotorTapButtonRes_InActive  = typedArray.getResourceId(R.styleable.RotatoryKnobView_RotatoryKnobTap_ImageInActive, R.drawable.knob_rotor_btn_inactive);
 
         isTapKnob = typedArray.getBoolean(R.styleable.RotatoryKnobView_RotatoryKnob_TapEnable, true);
 
diff --git a/RotatoryKnob/src/main/res/values/RotatoryKnobViewResources.xml b/RotatoryKnob/src/main/res/values/RotatoryKnobViewResources.xml
index 8824d7c..5558fed 100644
--- a/RotatoryKnob/src/main/res/values/RotatoryKnobViewResources.xml
+++ b/RotatoryKnob/src/main/res/values/RotatoryKnobViewResources.xml
@@ -4,8 +4,8 @@
         <attr name="RotatoryKnob_ImageBack" format="reference" />
         <attr name="RotatoryKnob_ImageActive" format="reference" />
         <attr name="RotatoryKnob_ImageInactive" format="reference" />
-        <attr name="knobRotorTapButtonRes_ImageActive" format="reference" />
-        <attr name="knobRotorTapButtonRes_ImageInActive" format="reference" />
+        <attr name="RotatoryKnobTap_ImageActive" format="reference" />
+        <attr name="RotatoryKnobTap_ImageInActive" format="reference" />
         <attr name="RotatoryKnob_RotorValue" format="integer" />
         <attr name="RotatoryKnob_TapEnable" format="boolean"/>
         <attr name="RotatoryKnob_MinRotorValue" format="integer" />
diff --git a/readme.md b/readme.md
index 66052c4..4e967dd 100644
--- a/readme.md
+++ b/readme.md
@@ -26,9 +26,16 @@ dependencies {
     android:layout_width="100dp"
     android:layout_height="100dp"
 
+    app:RotatoryKnob_TapEnable="true"
+    app:RotatoryKnob_KnobTapSize="40dp"
+
     app:RotatoryKnob_ImageBack="@drawable/knob_back"
     app:RotatoryKnob_ImageActive="@drawable/knob_active"
     app:RotatoryKnob_ImageInactive="@drawable/knob_inactive"
+
+    app:RotatoryKnobTap_ImageActive="@drawable/tap_active"
+    app:RotatoryKnobTap_ImageInActive="@drawable/tap_inactive"
+
     app:RotatoryKnob_MaxRotorValue="100"
     app:RotatoryKnob_MinRotorValue="0"
     app:RotatoryKnob_RotorStep="1"
@@ -57,6 +64,12 @@ rotatoryKnobView.setOnRotatoryKnobViewListener(new RotatoryKnobView.RotatoryKnob
         Log.d(TAG, rotatoryKnobView.getRotorAngle() + " :Knob");
         Log.d(TAG, rotatoryKnobView.getRotorStep() + " :Knob");
     }
+
+    @Override
+    public void onTap(boolean isTap) {
+        Log.e(TAG, isTap + " Knob Tap");
+        rotatoryText.setText(isTap?"Tap":"UnTap");
+    }
 });
 ....
 ```
@@ -67,4 +80,4 @@ rotatoryKnobView.setOnRotatoryKnobViewListener(new RotatoryKnobView.RotatoryKnob
 ### Upcoming Features
 - [ ] Non infinite rotary knob using range value[a-b].
 - [ ] Add click sound for per rotor value increment or decrement.
-- [ ] Tap system in rotary knob, using circle radius system.
\ No newline at end of file
+- [x] Tap system in rotary knob, using circle radius system.
\ No newline at end of file