Here are how-tos of how Integrations Hub for Jira the data center version can be used.
Use these as starting points and feel free to modify them to your needs.
Warm welcome to submit a support request here: https://rixter.atlassian.net/servicedesk/customer/portal/2 and we will add a tutorial for that system.
iHub is a multi purpose tool that can integrate any REST based system. Tutorials is just a quick guide to get started.