How to get Custom Meta data filed (selection box ) values through CIS ?

Here is the code to get the values of option list of  view type:

new HashMap<String, String>();"schViewName", "subContentTypeView");the_context, IDC_GET_SCHEMA_VIEW_VALUES, attributes);"SubContentType");

ISCSAdministrativeAPI api = getCIS().getUCPMAPI().getActiveAPI().getAdministrativeAPI();

Map<String, String> attributes =

attributes.put(

ISCSServerResponse response =

api.executeIDCService(

List optionList = response.getResultSet(