Read my article Send Actionable Messages from OutSystems applications on how to get started with Actionable Messages in OutSystems.

This component allows to merge an Adaptive Card template with data generating an Adaptive Card. Adaptive Cards can be used across many Microsoft 365 applications like Outlook, Teams, Viva and Copilot.

For embedding an Adaptive Card into an e-mail message (Actionable Messages) this component also allows to sign Adaptive Cards with a private key. This approach is necessary when sending an Actionable Message via an external e-mail provider.

Further information about Adaptive Cards and Actionable Messages

Adaptive Cards Overview - Adaptive Cards | Microsoft Learn

What are actionable messages in Office 365? - Outlook Developer