question: set if the room is members only . rooms are not members only per default . concode_field_sep MultiUserChat multiUserChat concode_elem_sep String MUC_ROOMCONFIG_ROOMSECRET concode_elem_sep String MUC_ROOMCONFIG_ROOMOWNERS concode_elem_sep String MUC_ROOMCONFIG_PASSWORDPROTECTEDROOM concode_elem_sep List<Jid> owners concode_elem_sep Form answerForm concode_elem_sep String MUC_ROOMCONFIG_MEMBERSONLY concode_field_sep void submitConfigurationForm concode_elem_sep boolean supportsPasswordProtected concode_elem_sep MucConfigFormManager makePasswordProtected concode_elem_sep MucConfigFormManager setRoomSecret concode_elem_sep MucConfigFormManager setRoomOwners concode_elem_sep MucConfigFormManager makeMembersOnly concode_elem_sep MucConfigFormManager setIsPasswordProtected concode_elem_sep MucConfigFormManager setAndEnablePassword concode_elem_sep boolean supportsRoomOwners concode_elem_sep boolean supportsMembersOnly
target: MucConfigFormManager function ( boolean arg0 ) { if ( ! supportsMembersOnly ( ) ) { throw new MucConfigurationNotSupportedException ( MUC_ROOMCONFIG_MEMBERSONLY ) ; } answerForm . setAnswer ( MUC_ROOMCONFIG_MEMBERSONLY , arg0 ) ; return this ; }