[hologram message_name="mesg_name" type="button" button_text="Press Me" link="https://2mee.com" class="btn btn-info"]
mesg_name is the name of the HoloCapsule
type=button indicates a button
button_text, this field will customize the button text
class parameter is provided to further customize the iframe using css
link is a URL that will open up if the viewer click on the playing message.