Meta Messaging Referrals are specific inbound-only messages that are triggered once your end-user:

• Clicks on an m.me link with a referral parameter
• Clicks on a Facebook Messenger conversation advertisement
• Starts or resumes a conversation thread from the Facebook Chat Plugin

Table of content

• Before getting started
• Managing Messenger Referrals in Flow Builder
• Messenger Referrals Variables
• Messenger Referrals Developers Documentation

Before getting started

Before starting,  you’ll need:

• A MessageBird account
• A Meta Messenger channel
• Inbox account (optional)

Managing Messenger Referrals in Flow Builder

The rich automation capabilities of Flow Builder enable you to create a Flow scenario, depending on your use case, of how you want to handle these inbound messages.
Let's say you have created a Facebook Messenger conversation advertisement with a Get Started call to action, initiating a Messenger conversation:

1) Create a new Flow, with the Facebook Messenger incoming message as the trigger:

2) Choose the Messenger channel you have set up to start the Flow:

3) Create the desired automation scenario of the Flow, be it replying to the end-users message via a customized chatbot Flow, collecting inputs into an external Google Sheet, or managing the conversation in Inbox.

Messenger Referrals Variables

Meta Messaging Referrals have a set of variables that can be exploited in Flow Builder. Variables starting with:

• conversationMessageFacebookReferral correspond to messages from m.me link with a referral parameter and Facebook Chat Plugin
• conversationMessageFacebookReferralAd relate to values populated when end-users click on call to action on Facebook Ads.
  

Messenger Referrals Developers Documentation

Developers' documentation for the Messenger Referral message type is at the following link 

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