
admin:forest-set-foreign-master( $config as element(configuration), $forest-id as xs:unsignedLong, $foreign-master as element(as:foreign-master) ) as element(configuration)
This function writes the specified foreign master forest configuration into the database replication configuration. Any forest-level configuration will override the database level-configuration. This function must be executed on the replica cluster.
http://marklogic.com/xdmp/privileges/admin/database
http://marklogic.com/xdmp/privileges/admin/database/{id}
http://marklogic.com/xdmp/privileges/admin/database/replication
http://marklogic.com/xdmp/privileges/admin/database/replication/{id}
  xquery version "1.0-ml";
  import module namespace admin = "http://marklogic.com/xdmp/admin"
      at "/MarkLogic/admin.xqy";
  let $cfg := admin:get-configuration()
  let $fcl := admin:cluster-get-foreign-cluster-id($cfg, "ClusterA")
  let $fdb := admin:database-foreign-master-get-database-id(
                   admin:database-get-foreign-master($cfg, xdmp:database("Documents")))
  let $fforest := admin:forest-foreign-master($fcl, $fdb , 3017132713745743620)
  return admin:forest-set-foreign-master($cfg, xdmp:forest("Documents"), $fforest)
  (: Sets the configuration for the specified foreign master forest.  Use
     admin:save-configuration to save the changes to the configuration or
     pass the configuration to other Admin API functions to make other changes. :):)