How you can call Apple Message to let your placeholder or message to the user?

To add to the site a call to Apple Messages just by inserting the link:
<a href=""imessage://ваш"">to Send an iMessage on Mac</a>

or for iOS:
<a href=""sms://ваш"">Send message on iOS</a>

Can I somehow pass its a placeholder(or just a message)? That would be when the user opened the message, on the screen in this messenger show "Hey, we're such a team! how can we help you?"
June 5th 19 at 21:36

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