If your confluence version is prior to 5.6 version then you will need to explicitly install the 11.1 version. Here is the link to download.
and about the cost it is free.
As per blog Existing Confluence Cloud customers already got this add-on, go to macro browser and search for Confluence Road Map.
Do you use templates with Confluence? Take part in a remote 1-hr workshop. You'll receive USD $100 for your time! We're looking for people to participate in a remote 1-hr workshop...
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