Knowledge Base contributors can add filters Confluence's Content By Label macro.
In the majority of the support articles on the Knowledge Base, there is a section called Related Articles. This section is populated by content by using the Content by Label macro. The macro surfaces articles that have labels that you specified in the macro. At times, the default settings can return too many results or ones that are not very relevant. You can better focus the macro by refining the labels listed and by adding filters. This article covers how to focus results by adding the In Space and Parent filter. Other filters, such as With Ancestor, can be useful when you want to span multiple levels of articles.
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