%{issue.attachmentsAdd}
Allowed input
CMR-1 : adds to current issue the attachments in issue CRM-1 except if attachments are already in current issue.
CMR-1
CRM-2, HR-34, HR-50 : adds to current issue the attachments in issues CRM-2, HR-34 and HR-50 except if attachments are already in current issue.
CRM-2
HR-34
HR-50
This writable field can be set by post-functions Write field on linked issues or sub-tasks and Update issue fields.