As previous, after clicking the 'Messages' icon, you will see the following screen (note: both the previously configured messages are now visible in the list):
1) Click New.
The fields to be configured for the Response New Message modal are as follows:
The message name that is unique for this integration.
The primary purpose of the message.
The direction(s) this message is configured to support. (Choices: Inbound, Outbound, Bidirectional)
Your Response New Message modal should look like this:
5) Click Submit.
You will be redirected to the Messages page. You need not configure the Response Message any further.
Now it's time to move on and configure the UpdateIncident Message.