It's not possible to add any customfields or other field in Agile Cards right now. Atlassian said that they would eventuaaly implement a new feature that would allow to add one or two customfields to the cards.
but don't expect that in the next 6 months, at least.
Hi Atlassian community, My name is Max and I work on the product integration team at Atlassian. I am pleased to announce the early access program for the Jira Cloud add-in for Outlook. This add-in...
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