     public static func projects(auth: Auth,
                                 offset: MSOffset? = nil, 
                                 expanders: [Expander] = [],
-                                filter: Filter? = nil, 
+                                filter: Filter? = nil,
+                                orderBy: Order? = nil,
                                 search: Search? = nil) -> Observable<[MSEntity<MSProject>]> {
-        let urlParameters: [UrlParameter] = mergeUrlParameters(offset, search, filter, CompositeExpander(expanders))
+        let urlParameters: [UrlParameter] = mergeUrlParameters(offset, search, filter, orderBy, CompositeExpander(expanders))
         
         return HttpClient.get(.project, auth: auth, urlParameters: urlParameters)
             .flatMapLatest { result -> Observable<[MSEntity<MSProject>]> in

                                  offset: MSOffset? = nil, 
                                  expanders: [Expander] = [], 
                                  filter: Filter? = nil,
                                  search: Search? = nil, 
                                  stockStore: StockStore? = nil, 
                                  scope: AssortmentScope? = nil)
        -> Observable<[MSEntity<MSAssortment>]> {
            
            let urlParameters: [UrlParameter] = mergeUrlParameters(offset, filter, search, stockStore, scope, CompositeExpander(expanders), StockMomentAssortment(value: Date()))
            
            return HttpClient.get(.assortment, auth: auth, urlParameters: urlParameters)
            .flatMapLatest { result -> Observable<[MSEntity<MSAssortment>]> in

    public static func employees(auth: Auth, 
                                 offset: MSOffset? = nil, 
                                 expanders: [Expander] = [], 
                                 filter: Filter? = nil,
                                 orderBy: Order? = nil,
                                 search: Search? = nil) -> Observable<[MSEntity<MSEmployee>]> {
        let urlParameters: [UrlParameter] = mergeUrlParameters(offset, search, orderBy, CompositeExpander(expanders), filter)
        
        return HttpClient.get(.employee, auth: auth, urlParameters: urlParameters)
            .flatMapLatest { result -> Observable<[MSEntity<MSEmployee>]> in
