A good use of this type of message is to send communications once the 24-hour period established by the Meta Group (ex-Facebook) has expired, which runs after the last message sent by the user.
Important: Remember that all conversations that have been entered through WhatsApp or Facebook Messenger expire after 24 hours after the last time the user sent a message. The only way to resume that contact is by using an HSM. This message should prompt the user to reply to the bot, so that the conversation can start again.
Another typical use can be sending bulk communications to customers, such as benefits, privacy policy changes, etc.
Examples
Let's look at some examples of use cases where Emilia, a user of the SaludCenter bot, a clinical analysis laboratory, is contacted through HSM for different purposes: