Journey Optimizer comes with built-in message capabilities. You can simply add, in your journey, a push, an SMS, or email message activity and define settings and content. It is then executed and sent in the context of the journey.
You can also set up specific actions to send you messages:
If you are using a third-party system to send your messages, you can create a custom action. Learn more in this section.
If you are working with Campaign and Journey Optimizer, refer to these sections:
To add a message in a journey, follow the steps below:
From the Actions section of the palette, drag and drop an email, an SMS or a Push activity into the canvas.
All steps to configure the message and define its content are detailed in this section.
You can update the content of a message (email, sms, push) in a live journey.
To do this, open your live journey, select the message activity and click Edit content.
However, you cannot change the attributes used in personalisation, whether they are profile attributes or contextual data (from event or journey properties).