Hi Angela, as you can see on the plugin's comments on Marketplace page it looks like the documentation will be ready when Jira 6.0 is release because they will bundle with it.
In the same page it shows this email as contact information: email@example.com
You can try writing them to see where you can find documentation for previous versions.
Hope this helps.
Hey Atlassian community, I help lead engineering at Sentry, an open-source error-tracking and monitoring tool that integrates with Jira. We started using Jira Software Cloud internally last year, a...
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