The message composer is there to send the right message to the right contact (active or not!)
For open conversations (”by default”) it looks like below:
This is where you manage your messages from adding notes, to sending audio, video or images, and sending templates.
To add a notes, click on the dropdown next to the active channel (WhatsApp) and click “Note” to change the input field to notes.
Now it changes the input field and you can type your note. Then hit “Save”
Once you have saved your note, it should show up as in-feed event, visible to all agents.
To send audio, either as a note or as a message, click the record button in the bottom left: