This feature is availabe only in ARN Cloud.
If you are using this approach for the first time, please take a look at Checklist to Publish release notes (in new Confluence editor) using ARN Helper app
Create template/page within Confluence
You can create Global and Local template or a normal Confluence page. Whether you create a Global/local template or page, the steps are going to be the same.
Read https://support.atlassian.com/confluence-cloud/docs/create-a-template/ if you are using the template.
Confluence helper app macros
Read ARN Specific macros (Confluence helper app macros) for more details
