public static void addAttributeToSchema(String serviceName,String subSchemaName,String schemaType,Node attributeSchemaNode,SSOToken adminToken) throws UpgradeException {
  ServiceSchema ss=getServiceSchema(serviceName,subSchemaName,schemaType,adminToken);
  addAttributeToSchema(ss,attributeSchemaNode);
}

public static void addAttributeToSchema ( String serviceName , String subSchemaName , String schemaType , Node attributeSchemaNode , SSOToken adminToken ) throws UpgradeException { ServiceSchema ss = getServiceSchema ( serviceName , subSchemaName , schemaType , adminToken ) ; addAttributeToSchema ( ss , attributeSchemaNode ) ; }
adds new attribute schema to an existing service .
