It's the priority, the order the plugin is called in relative to other plugins. See https://github.com/apache/trafficcontrol/blob/147c3f3ec19eb485de5949f0a50eb70c8d72b4e2/traffic_ops/traffic_ops_golang/plugin/plugin.go#L94
I added a note to the README about that parameter. [ Full content available at: https://github.com/apache/trafficcontrol/pull/2513 ] This message was relayed via gitbox.apache.org for [email protected]
