Do I still need the Zoho Sales IQ WordPress Plugin?

I have added the Zoho sales IQ code to the closing body tag of my Wordpress website and I can see the live chat button working already. Do I still need to install the WordPress plugin for sales IQ?

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Sticky Posts
Let customers reach you easily with the Zoho SalesIQ - Telegram IM Channel Integration
We are now living in the era of instant messaging where every single person around us will have at least two instant messaging apps on their mobile phones. And that very well includes your customers. It is important for businesses to be able to communicate
Why should you integrate Zoho SalesIQ with Google Analytics?
Hello everyone. Greetings from Zoho SalesIQ! Today, we are going to take a detailed look at the possibilities and outcomes when integrating SalesIQ with Google Analytics. Some of us may have lingering questions on this topic and here we are, with a