%K Building systems; Coordinator agents; Decision environment; Decision makers; Design decisions; Design tool; Group functionalities; Negotiation agents; Prometheus; Value-based, Design %X This paper presents functionality of negotiation agent on value-based design decision. The functionality is based on the characteristics of the system and goal specification. A Prometheus Design Tool model was used for developing the system. Group functionality will be the attribute for negotiation agents, which comprises a coordinator agent and decision- maker agent. The results of the testing of the system to a building system selection on value-based decision environment are also presented. %D 2010 %L scholars1286 %J World Academy of Science, Engineering and Technology %O cited By 0 %V 63 %A A. Idrus %A C. Utomo %T Functionality of negotiation agent on value-based design decision %P 394-398