MediaWiki:Apihelp-query+blocks-param-show
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Show only items that meet these criteria. For example, to see only indefinite blocks on IP addresses, set $1show=ip|!temp.
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-query+blocks-param-show.