I do not think you can do that through actions yet. There is a suggestion to add Confluence integration to automation: https://codebarrel.atlassian.net/browse/AUT-269
However... Have you created pages from the Jira sprint interface, and noted if there is any pattern to the URL for the project and sprint? If so, perhaps you can build the URL yourself, using the sprint name smart value.
Hi all, After many months of work, I am delighted to announce the launch of the Jira Automation Template Library! The Template Library is a new website dedicated to all things Jira au...
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