The attachment does show up. This is my template.
Hi ${Cases.Assigned Programmers},
Please be reminded about the following task that has been assigned to you.
Subject : ${Cases.Subject}
Description : ${Cases.Description}
Ticket # : ${Cases.Request Id}
Dealer Code : ${Cases.Dealer Code}
Product : ${Cases.Product Name}
Due Date : ${Cases.Due Date}
Status : ${Cases.Status}
Priority : ${Cases.Priority}
Attachment: ${Cases.Attachment Link}
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