Connect WhatsApp to WaRespond
1.) Click on the WhatsApp menu item in the side bar menu.

2.) Click on the + icon.

3.) Open up your WhatsApp app on your smartphone, tap on the 3 vertical dots on the top right of the WhatsApp app(for Android) or tap on Settings(iPhone), and select Linked Devices.
If you have not joined Multi-Device Beta, tap on Join Beta.
Next, tap on Link a Device and point your camera and scan the QR code. Once everything is completed, your WhatsApp number is now connected to WaRespond.
