code: @RequestMapping(value = "branches/{branchId}/promotionLevels", method = RequestMethod.GET)
      public Resources<PromotionLevel> getPromotionLevelListForBranch(@PathVariable ID branchId) {
          Branch branch = structureService.getBranch(branchId);
          return Resources.of(
                  structureService.getPromotionLevelListForBranch(branchId),
                  uri(on(PromotionLevelController.class).getPromotionLevelListForBranch(branchId))
          )
                  // Create
                  .with(
                          Link.CREATE,
                          uri(on(PromotionLevelController.class).newPromotionLevelForm(branchId)),
                          securityService.isProjectFunctionGranted(branch.getProject().id(), PromotionLevelCreate.class)
                  )
                  ;
      }
docs: Promotion levels