diff --git a/README.md b/README.md
index 21089da..45fa4d9 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,14 @@
 1. Use const always when you do not want to change the type of a variable. 
  * https://mathiasbynens.be/notes/es6-const
 2. To export class use, export default ClassName.
+3. To extract out a key from an object:
+```javascript
+const obj = {
+  keyName1: keyValue1,
+  keyName2: keyValue2
+};
+
+// It will declare a constant variable keyName1 having value of keyValue1
+const { keyName1 } = obj;
+console.log(keyName1); // keyValue1
+```