
admin:forest-add-foreign-replicas( $config as element(configuration), $forest-id as xs:unsignedLong, $foreign-replicas as element(as:foreign-replica)* ) as element(configuration)
This function adds the replica forest that is associated with the specified master forest to the database replication configuration. This function must be executed on the master host.
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 $fdb := admin:database-foreign-replica-get-database-id(
                      admin:database-get-foreign-replicas($cfg, xdmp:database("Documents")))
  let $mforest := xdmp:forest("Documents2")
  let $fforest := admin:forest-foreign-replica($fcl, $fdb , 2863600501631949400)
  return admin:forest-add-foreign-replicas($cfg, $mforest, $fforest)
  (: Adds the foreign forest, 'Document2', to the forests used by the replica database,
    'Documents'.  Use admin:save-configuration to save the changes to the configuration
    or pass the configuration to other Admin API functions to make other changes. :):)