app/views/mailers/agent_notifications/conversation_notifications_mailer/conversation_creation.liquid
<p>Hi {{user.available_name}}</p>
<p>
A new conversation (<a href="{{ action_url }}">#{{conversation.display_id}}</a>) has been created in {{ inbox.name }}.
<strong>{{ conversation.contact_name }}</strong> wrote:
</p>
{% for chat_message in conversation.recent_messages %}
<div>
<h4 style="margin: 0;">
{% if chat_message.sender == user.available_name %}
You
{% else %}
{{chat_message.sender}}
{% endif %}
</h4>
</div>
<div style="padding: 10px 20px; margin: 5px 0 20px 0; background: #F2F3F7; border-radius: 10px; display: inline-block; font-family: 'Helvetica Neue',Tahoma,Arial,sans-serif; text-align: start; unicode-bidi: plaintext;">
{% if chat_message.content %}
{{chat_message.content}}
{% endif %}
{% if chat_message.attachments %}
{% for attachment in chat_message.attachments %}
Attachment [<a href="{{ attachment }}" _target="blank">Click here to view</a>]
{% endfor %}
{% endif %}
</div>
{% endfor %}