You can create a checklist using the Checklist macro, based on the child pages of the checklist page, the child pages of another wiki page, or a set of pages that have a specified label. For instructions, refer to the complete documentation provided by Atlassian:

https://wiki.comalatech.com/display/CLSL/Welcome+to+Comala+Lists+for+Confluence+Server

An example of a checklist macro follows, with an item for each child page of this page.