How to change notification light in WhatsApp ?

Did you know that we can personalized notification light that blinks whenever as new
message arrive in WhatsApp ? We always see that whenever a new message arrive
a default notification light blink in smart phone.Changing blinking light for your lovely
WhatsApp is now easier that ever before.You can choose different color for your
private as well as group notification.

.. WhatsApp provides seven different colors to make you feel different and choose
whichever color is your favorite.This feature is provided in latest version of WhatsApp.
You can upgrade/update your existing version of  application through Google's Play
Store.Its absolutely free of cost.

Here's step by step guide how to change settings in WhatsApp mobile application
to personalized notification light for private as well as group messages.
Step 1: Open WhatsApp ->Go to Settings -> select 'Notifications'

Step 2: Select 'Light' option in notification window

Step 3: Change your notification color to  favorite color out of seven different colors
as mentioned below .