MediaWiki:Apihelp-expandtemplates-paramvalue-prop-ttl
From MoodleDocs
The maximum time after which caches of the result should be invalidated.
Note: You are currently viewing documentation for Moodle 3.1. Up-to-date documentation for the latest stable version of Moodle is probably available here: Apihelp-expandtemplates-paramvalue-prop-ttl.