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This article provides the code snippet to copy attachment(s) that are more/less than a specific size from the current issue to other issue(s) using Set issue fields post-function.

\uD83D\uDCD8 Instructions

Navigate to the intended workflow to make the necessary changes in the edit mode.
Select the required transition.
Select the Post functions tab and click Add post function.
Add the Set issue fields post-function.
Select the issues , for which the attachments should be copied , under “Target Issue(s)”.

Select the “Attachment” field and add the below Nunjucks template:

Code Block

language	java

{% set finalAttachments = [] %}
{% for att in issue.fields.attachment %}
{% if (((att | field("size"))/1000) > 150) %}
{% set ignored = finalAttachments.push(att) %}
{% endif %}
{% endfor %}
{{ finalAttachments | dump(2) }}

Replace 150 in line #3 with the desired file size (in KB).

Select the “Treat value as JSON” option (select/unselect other options as per your use case)

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\uD83D\uDCD8 Instructions