...
The app is free and can be Installed from Atlassian marketplace: https://marketplace.atlassian.com/apps/1224383/agile-user-story-mapping-for-confluence
Usage
Pre-condition
To use User Story Mapping macro for Confluence you need to have Agile User Story Mapping Board installed in Jira.
To show the board in Confluence, In Jira the integration with Confluence setting must be enabled.
...