Path Analyzer uses Rules Engine as a filter to create a map zoomed in on a specific segment of contacts or interactions. Because most of the conditions are used for rendering personalization, not all the conditions are supported for map filtering.
Here is the list of known conditions that aren't supported:
Alternatively, the following condition could be used instead of the one described above:
where the specific page event was triggered during a past or current interaction and when the number of elapsed days compares to number and when the past number of interactions compares to number
Full path of the condition:
/sitecore/system/Settings/Rules/Definitions/Elements/Visit/Page event was triggered during a past or current interaction