
admin.appserverSetOutputOmitXmlDeclaration( config as element(configuration), appserver-id as (Number|String), value as String ) as element(configuration)
This function configures whether serialized output for the specified App Server should omit the inclusion of an XML declaration by default.
http://marklogic.com/xdmp/privileges/admin/app-server
http://marklogic.com/xdmp/privileges/admin/app-server/{id}
http://marklogic.com/xdmp/privileges/admin/group
http://marklogic.com/xdmp/privileges/admin/group/{id}
  
  const admin = require('/MarkLogic/admin.xqy');
  const config = admin.getConfiguration()
  const groupid = admin.groupGetId(config, "Default")
  admin.appserverSetOutputOmitXmlDeclaration(config,
         admin.appserverGetId(config, groupid, "myAppServer"),
         "yes")
   //returns the new configuration element -- use admin.saveConfiguration
   //to save the changes to the configuration or pass the configuration
   //to other Admin API functions to make other changes.