Let's now add the activities that will execute within the alarm event handler. As we have already said, we will notify the client that an event handler has been invoked on the BPEL process.
To achieve this, we will perform the following steps:
<invoke>activity, we will prepare the variable for the response message. To achieve this, we add the
<assign>activity into the event handler body (using drag-and-drop).
<assign>activity as AssignAlarmEventCallback, as shown in the following screenshot: