admin:forest-get-host( $config as element(configuration), $forest-id as xs:unsignedLong ) as xs:unsignedLong
This function returns the ID of the host in which the specified forest resides.
http://marklogic.com/xdmp/privileges/admin/forest
http://marklogic.com/xdmp/privileges/admin/forest/{id}
xquery version "1.0-ml"; import module namespace admin = "http://marklogic.com/xdmp/admin" at "/MarkLogic/admin.xqy"; admin:forest-get-host(admin:get-configuration(), xdmp:forest("myForest")) => the ID of the host that services the forest named "myForest"