admin:database-add-field( $config as element(configuration), $database-id as xs:unsignedLong, $fields as element(db:field)* ) as element(configuration)
This function adds the field specification to the specified database in the configuration.
http://marklogic.com/xdmp/privileges/admin/database
http://marklogic.com/xdmp/privileges/admin/database/{id}
http://marklogic.com/xdmp/privileges/admin/database/index
http://marklogic.com/xdmp/privileges/admin/database/index/{id}
xquery version "1.0-ml"; import module namespace admin = "http://marklogic.com/xdmp/admin" at "/MarkLogic/admin.xqy"; let $config := admin:get-configuration() let $dbid := xdmp:database("myDatabase") let $fieldspec := admin:database-field("myField", fn:true() ) return admin:database-add-field($config, $dbid, $fieldspec) (: returns the new configuration element -- use admin:save-configuration to save the changes to the configuration or pass the configuration to other Admin API functions to make other changes. :)