@startuml
class CommandDTO {
    - commandName : string
    - parameters : Dictionary<string, object>
    + CommandName : string <<get>>
    + Parameters : Dictionary<string, object> <<get>>
    + converToCommand() : ICommand
}
class CommandDTOBuilder {
    - commandName : string
    - parameters : Dictionary<string, object>
    + SetCommandName(name:string) : CommandDTOBuilder
    + AddParameter(key:string, value:object) : CommandDTOBuilder
    + Build() : CommandDTO
}
CommandDTO +-- CommandDTOBuilder
@enduml