To Add the Slide-out button format Heard LibChat Widget, do the same step 1-2, but paste in the following code:
<script src="https://v2.libanswers.com/load_chat.php?hash=dc7ac873afc4e1e6fd5afca29fed6e1c"></script>
<div id="libchat_dc7ac873afc4e1e6fd5afca29fed6e1c"></div>
The slide-out chat button shows up on the right side of your guides, like this