Referral Link - Messenger
Referral Link allows the bot to send a certain message Voice Message by clicking a shortened m.me link.
Referral Link is an advanced function for Messenger platform.
A single message can be tied to a fixed link; when customers click on the link, they will be directed to a new conversation with the bot, replying a certain message content. This is a “shortcut” to start a particular conversation with the bot.
With the use of Referral Link, customers can directly reach a specific message content.
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Learn more about the official documentation from the Messenger team, please visit https://developers.facebook.com/docs/messenger-platform/discovery/m-me-links