diff --git a/web/app/cad/actions/actionSystemBundle.ts b/web/app/cad/actions/actionSystemBundle.ts
index bb69cb47..addfe6a3 100644
--- a/web/app/cad/actions/actionSystemBundle.ts
+++ b/web/app/cad/actions/actionSystemBundle.ts
@@ -4,6 +4,7 @@ import {state, StateStream, Stream} from 'lstream';
 import {LOG_FLAGS} from '../logFlags';
 import {ApplicationContext} from "cad/context";
 import {IconType} from "react-icons";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(context: ApplicationContext) {
   
@@ -155,8 +156,11 @@ export interface ActionService {
   hint$: StateStream<Hint>;
 }
 
-export interface ActionSystemBundle {
+export interface ActionSystemBundleContext {
   actionService: ActionService;
 }
 
+export const outputContextSpec: ContextSpec<ActionSystemBundleContext> = {
+  actionService: 'required'
+}
 
diff --git a/web/app/cad/assembly/assemblyBundle.ts b/web/app/cad/assembly/assemblyBundle.ts
index 7b98fabe..5f4841f2 100644
--- a/web/app/cad/assembly/assemblyBundle.ts
+++ b/web/app/cad/assembly/assemblyBundle.ts
@@ -9,6 +9,7 @@ import {AssemblyView} from "./ui/AssemblyView";
 import {IoMdConstruct} from "react-icons/io";
 import {AssemblyConstraintDefinition} from "./assemblyConstraint";
 import {AssemblyConstraintsSchemas} from "./assemblySchemas";
+import {ContextSpec} from "bundler/bundleSystem";
 
 
 export function activate(ctx: ApplicationContext) {
@@ -104,3 +105,6 @@ export interface AssemblyBundleContext {
   assemblyService: AssemblyService;
 }
 
+export const outputContextSpec: ContextSpec<AssemblyBundleContext> = {
+  assemblyService: 'required'
+}
diff --git a/web/app/cad/attributes/attributesBundle.ts b/web/app/cad/attributes/attributesBundle.ts
index 719b25ac..3900dca9 100644
--- a/web/app/cad/attributes/attributesBundle.ts
+++ b/web/app/cad/attributes/attributesBundle.ts
@@ -1,14 +1,14 @@
-import {Plugin} from "plugable/pluginSystem";
+import {Bundle} from "bundler/bundleSystem";
 import {AttributesService} from "cad/attributes/attributesService";
 import {contributeComponent} from "cad/dom/components/ContributedComponents";
 import {DisplayOptionsDialogManager} from "cad/attributes/ui/DisplayOptionsDialog";
-import {ActionSystemBundle} from "cad/actions/actionSystemBundle";
+import {ActionSystemBundleContext} from "cad/actions/actionSystemBundle";
 import {RequiresAnyModelSelection} from "cad/actions/actionHelpers";
 import {IoColorPalette} from "react-icons/io5";
 import {FaTable} from "react-icons/fa";
 import {ApplicationContext} from "cad/context";
 
-type AttributesPluginInputContext = ActionSystemBundle;
+type AttributesPluginInputContext = ActionSystemBundleContext;
 
 export interface AttributesPluginContext {
   attributesService: AttributesService;
@@ -16,7 +16,7 @@ export interface AttributesPluginContext {
 
 type AttributesPluginWorkingContext = AttributesPluginInputContext&AttributesPluginContext;
 
-export const AttributesBundle: Plugin<AttributesPluginInputContext, AttributesPluginContext, AttributesPluginWorkingContext> = {
+export const AttributesBundle: Bundle<AttributesPluginInputContext, AttributesPluginContext, AttributesPluginWorkingContext> = {
 
   inputContextSpec: {
     actionService: 'required',
diff --git a/web/app/cad/craft/cadRegistryBundle.ts b/web/app/cad/craft/cadRegistryBundle.ts
index 338fb830..9f9e0740 100644
--- a/web/app/cad/craft/cadRegistryBundle.ts
+++ b/web/app/cad/craft/cadRegistryBundle.ts
@@ -7,6 +7,7 @@ import {MEdge} from "../model/medge";
 import {MSketchObject} from "../model/msketchObject";
 import {MDatum, MDatumAxis} from "../model/mdatum";
 import {MLoop} from "../model/mloop";
+import {ContextSpec} from "bundler/bundleSystem";
 
 
 export function activate(ctx: ApplicationContext) {
@@ -112,3 +113,7 @@ export interface CadRegistryBundleContext {
 
   cadRegistry: CadRegistry;
 }
+
+export const outputContextSpec: ContextSpec<CadRegistryBundleContext> = {
+  cadRegistry: 'required'
+}
diff --git a/web/app/cad/craft/craftBundle.ts b/web/app/cad/craft/craftBundle.ts
index 250ef127..63453c8d 100644
--- a/web/app/cad/craft/craftBundle.ts
+++ b/web/app/cad/craft/craftBundle.ts
@@ -8,6 +8,7 @@ import {CoreContext} from "cad/context";
 import {MFace} from "../model/mface";
 import {OperationParams} from "cad/craft/schema/schema";
 import {clearImplicitModels} from "cad/craft/e0/occCommandInterface";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: CoreContext) {
 
@@ -295,3 +296,7 @@ export interface CraftBundleContext {
 
   craftService: CraftService;
 }
+
+export const outputContextSpec: ContextSpec<CraftBundleContext> = {
+  craftService: 'required'
+}
diff --git a/web/app/cad/craft/e0/occtBundle.ts b/web/app/cad/craft/e0/occtBundle.ts
index 762a9656..5632d618 100644
--- a/web/app/cad/craft/e0/occtBundle.ts
+++ b/web/app/cad/craft/e0/occtBundle.ts
@@ -1,6 +1,7 @@
 import {GenericWASMEngine_V1} from "engine/impl/wasm/GenericWASMEngine_V1";
 import {CraftEngine} from "./craftEngine";
 import {createOCCService, OCCService} from "cad/craft/e0/occService";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export interface OCCBundleContext {
 
@@ -54,6 +55,12 @@ function loadWasm(ctx) {
   document.head.appendChild(mainScript);
 }
 
+export const outputContextSpec: ContextSpec<OCCBundleContext> = {
+  craftEngine: 'required',
+  occService: 'required'
+}
+
+
 
 
 
diff --git a/web/app/cad/craft/operationBundle.ts b/web/app/cad/craft/operationBundle.ts
index 34b29efe..3cb17905 100644
--- a/web/app/cad/craft/operationBundle.ts
+++ b/web/app/cad/craft/operationBundle.ts
@@ -14,6 +14,7 @@ import {resolveIcon} from "cad/craft/ui/iconResolver";
 import {loadDeclarativeForm} from "cad/mdf/declarativeFormLoader";
 import {operationIconToActionIcon} from "cad/craft/operationHelper";
 import {GenerateWorkbenchOperationDocumentationLink} from "doc/documentationHelper";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
 
@@ -238,4 +239,8 @@ export interface OperationBundleContext {
   operationService: OperationService;
 }
 
+export const outputContextSpec: ContextSpec<OperationBundleContext> = {
+  operationService: 'required'
+}
+
 
diff --git a/web/app/cad/craft/wizard/wizardBundle.ts b/web/app/cad/craft/wizard/wizardBundle.ts
index c94153b5..777115c2 100644
--- a/web/app/cad/craft/wizard/wizardBundle.ts
+++ b/web/app/cad/craft/wizard/wizardBundle.ts
@@ -17,6 +17,7 @@ import {OperationParamValue} from "cad/craft/schema/schema";
 import {ApplicationContext} from "cad/context";
 import {Operation} from "cad/craft/operationBundle";
 import produce from "immer"
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
 
@@ -186,6 +187,11 @@ export interface WizardPluginContext {
   wizardService: WizardService
 }
 
+export const outputContextSpec: ContextSpec<WizardPluginContext> = {
+  wizardService: 'required'
+}
+
+
 function applyOverrides(params, initialOverrides) {
   Object.assign(params, initialOverrides);
 }
diff --git a/web/app/cad/craft/wizard/wizardSelectionPlugin.ts b/web/app/cad/craft/wizard/wizardSelectionPlugin.ts
index 0605ae3c..9bcba628 100644
--- a/web/app/cad/craft/wizard/wizardSelectionPlugin.ts
+++ b/web/app/cad/craft/wizard/wizardSelectionPlugin.ts
@@ -3,7 +3,7 @@ import {OperationRequest} from "cad/craft/craftBundle";
 import {ParamsPath, WizardService} from "cad/craft/wizard/wizardTypes";
 import {OperationParamPrimitive} from "cad/craft/schema/schema";
 import {EntityReference} from "cad/craft/operationBundle";
-import {Plugin} from "plugable/pluginSystem";
+import {Bundle} from "bundler/bundleSystem";
 import {MarkerPluginContext} from "cad/scene/selectionMarker/markerPlugin";
 import {WizardPluginContext} from "cad/craft/wizard/wizardBundle";
 import {PickControlPluginContext} from "cad/scene/controls/pickControlPlugin";
@@ -17,7 +17,7 @@ export interface WizardSelectionPluginContext {
 
 export type WizardSelectionWorkingContext = WizardSelectionPluginInputContext & WizardSelectionPluginContext;
 
-export const WizardSelectionPlugin: Plugin<WizardSelectionPluginInputContext, WizardSelectionPluginContext, WizardSelectionWorkingContext> = {
+export const WizardSelectionPlugin: Bundle<WizardSelectionPluginInputContext, WizardSelectionPluginContext, WizardSelectionWorkingContext> = {
 
   inputContextSpec: {
     markerService: 'required',
diff --git a/web/app/cad/dom/appTabsBundle.ts b/web/app/cad/dom/appTabsBundle.ts
index 6f5361d5..d1e19950 100644
--- a/web/app/cad/dom/appTabsBundle.ts
+++ b/web/app/cad/dom/appTabsBundle.ts
@@ -1,5 +1,6 @@
 import {state, StateStream} from "lstream";
 import {ApplicationContext} from "cad/context";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
 
@@ -82,3 +83,6 @@ export interface AppTabsBundleContext {
   appTabsService: AppTabsService;
 }
 
+export const outputContextSpec: ContextSpec<AppTabsBundleContext> = {
+  appTabsService: 'required'
+}
diff --git a/web/app/cad/dom/domBundle.ts b/web/app/cad/dom/domBundle.ts
index 95d101b0..dbbaad82 100644
--- a/web/app/cad/dom/domBundle.ts
+++ b/web/app/cad/dom/domBundle.ts
@@ -1,5 +1,5 @@
 import {contributeComponent} from './components/ContributedComponents';
-import {Plugin} from "plugable/pluginSystem";
+import {Bundle} from "bundler/bundleSystem";
 import {AppTabsService} from "cad/dom/appTabsBundle";
 
 export interface DomService {
@@ -23,7 +23,7 @@ export interface DomPluginContext {
 
 type DomPluginWorkingContext = DomPluginInputContext&DomPluginContext;
 
-export const DomBundle: Plugin<DomPluginInputContext, DomPluginContext, DomPluginWorkingContext> = {
+export const DomBundle: Bundle<DomPluginInputContext, DomPluginContext, DomPluginWorkingContext> = {
 
   inputContextSpec: {
     appTabsService: 'required',
diff --git a/web/app/cad/dom/uiBundle.ts b/web/app/cad/dom/uiBundle.ts
index f9b900de..2e5f7fb3 100644
--- a/web/app/cad/dom/uiBundle.ts
+++ b/web/app/cad/dom/uiBundle.ts
@@ -1,4 +1,5 @@
 import {state, StateStream} from 'lstream';
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function defineStreams({streams}) {
 
@@ -74,3 +75,8 @@ export interface UIBundleContext {
     }
   };
 }
+
+export const outputContextSpec: ContextSpec<UIBundleContext> = {
+  uiService: undefined
+}
+
diff --git a/web/app/cad/expressions/expressionsBundle.ts b/web/app/cad/expressions/expressionsBundle.ts
index 150d6c34..d745277b 100644
--- a/web/app/cad/expressions/expressionsBundle.ts
+++ b/web/app/cad/expressions/expressionsBundle.ts
@@ -1,6 +1,7 @@
 import {merge, state, StateStream, Stream} from 'lstream';
 import {indexArray} from 'gems/iterables';
 import {CoreContext} from "cad/context";
+import {ContextSpec} from "bundler/bundleSystem";
 
 
 export function activate(ctx: CoreContext) {
@@ -120,3 +121,8 @@ export interface ExpressionBundleContext {
   expressionService: ExpressionService;
 }
 
+export const outputContextSpec: ContextSpec<ExpressionBundleContext> = {
+  expressionService: 'required'
+}
+
+
diff --git a/web/app/cad/location/LocationBundle.ts b/web/app/cad/location/LocationBundle.ts
index 03aae1b9..693c5c2f 100644
--- a/web/app/cad/location/LocationBundle.ts
+++ b/web/app/cad/location/LocationBundle.ts
@@ -2,6 +2,7 @@ import {state, StateStream} from "lstream";
 import {ApplicationContext} from "cad/context";
 import {MShell} from "../model/mshell";
 import {LocationDialog} from "./LocationDialog";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
 
@@ -40,3 +41,7 @@ export interface LocationBundleContext {
   locationService: LocationService;
 }
 
+export const outputContextSpec: ContextSpec<LocationBundleContext> = {
+  locationService: 'required'
+}
+
diff --git a/web/app/cad/partImport/remotePartsBundle.ts b/web/app/cad/partImport/remotePartsBundle.ts
index 2bb6a9c4..2a5b0482 100644
--- a/web/app/cad/partImport/remotePartsBundle.ts
+++ b/web/app/cad/partImport/remotePartsBundle.ts
@@ -16,6 +16,7 @@ import {activate as activateExpressionsPlugin} from '../expressions/expressionsB
 import {activate as activateCadRegistryPlugin} from '../craft/cadRegistryBundle';
 import {activate as activateStoragePlugin} from '../storage/storageBundle';
 import {activate as activateSketchStoragePlugin} from '../sketch/sketchStorageBundle';
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
 
@@ -184,4 +185,7 @@ export interface RemotePartsBundleContext {
   remotePartsService: RemotePartsService;
 }
 
+export const outputContextSpec: ContextSpec<RemotePartsBundleContext> = {
+  remotePartsService: 'required'
+}
 
diff --git a/web/app/cad/projectBundle.ts b/web/app/cad/projectBundle.ts
index e0c5bc16..c66eee75 100644
--- a/web/app/cad/projectBundle.ts
+++ b/web/app/cad/projectBundle.ts
@@ -5,6 +5,7 @@ import {ApplicationContext} from "cad/context";
 import {ProjectModel} from "./projectManager/projectManagerBundle";
 import {DebugMode$} from "debugger/Debugger";
 import {fillUpMissingFields} from "cad/craft/schema/initializeBySchema";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export const STORAGE_GLOBAL_PREFIX = 'TCAD';
 export const PROJECTS_PREFIX = `${STORAGE_GLOBAL_PREFIX}.projects.`;
@@ -191,4 +192,8 @@ export interface ProjectBundleContext {
 
 }
 
+export const outputContextSpec: ContextSpec<ProjectBundleContext> = {
+  projectService: 'required'
+}
+
 
diff --git a/web/app/cad/projectManager/projectManagerBundle.ts b/web/app/cad/projectManager/projectManagerBundle.ts
index a553a165..b67f51d3 100644
--- a/web/app/cad/projectManager/projectManagerBundle.ts
+++ b/web/app/cad/projectManager/projectManagerBundle.ts
@@ -5,6 +5,7 @@ import {SketchFormat_V3} from "sketcher/io";
 import {ApplicationContext} from "cad/context";
 import {OperationRequest} from "../craft/craftBundle";
 import {AssemblyConstraintDefinition} from "cad/assembly/assemblyConstraint";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
   
@@ -251,3 +252,7 @@ export interface ProjectManagerBundleContext {
 
   projectManager: IProjectManager;
 }
+
+export const outputContextSpec: ContextSpec<ProjectManagerBundleContext> = {
+  projectManager: 'required'
+}
diff --git a/web/app/cad/scene/entityContextBundle.ts b/web/app/cad/scene/entityContextBundle.ts
index 9d42e9e2..eb7efa48 100644
--- a/web/app/cad/scene/entityContextBundle.ts
+++ b/web/app/cad/scene/entityContextBundle.ts
@@ -3,6 +3,7 @@ import {combine, state, StateStream, Stream} from 'lstream';
 import {addToListInMap, EMPTY_ARRAY} from 'gems/iterables';
 import {DATUM, EDGE, FACE, LOOP, SHELL, SKETCH_OBJECT} from '../model/entities';
 import {MObject} from "cad/model/mobject";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export const SELECTABLE_ENTITIES = [FACE, EDGE, SKETCH_OBJECT, DATUM, SHELL];
 
@@ -70,3 +71,7 @@ export interface EntityContextBundleContext {
     selectedEntities: StateStream<MObject[]>
   };
 }
+
+export const outputContextSpec: ContextSpec<EntityContextBundleContext> = {
+  entityContextService: 'required'
+}
diff --git a/web/app/cad/scene/highlightBundle.ts b/web/app/cad/scene/highlightBundle.ts
index bb47eba0..3c3fbeb8 100644
--- a/web/app/cad/scene/highlightBundle.ts
+++ b/web/app/cad/scene/highlightBundle.ts
@@ -1,4 +1,4 @@
-import {Plugin} from "plugable/pluginSystem";
+import {Bundle} from "bundler/bundleSystem";
 import {combine, merge, Stream, stream} from "lstream";
 import Viewer from "cad/scene/viewer";
 import {ScanStream} from "lstream/scan";
@@ -53,7 +53,7 @@ export interface HighlightPluginContext {
 
 type HighlightPluginWorkingContext = HighlightPluginInputContext&HighlightPluginContext;
 
-export const HighlightBundle: Plugin<HighlightPluginInputContext, HighlightPluginContext, HighlightPluginWorkingContext> = {
+export const HighlightBundle: Bundle<HighlightPluginInputContext, HighlightPluginContext, HighlightPluginWorkingContext> = {
 
   inputContextSpec: {
     viewer: 'required',
diff --git a/web/app/cad/scene/sceneBundle.ts b/web/app/cad/scene/sceneBundle.ts
index 0aa40c89..25cf851d 100644
--- a/web/app/cad/scene/sceneBundle.ts
+++ b/web/app/cad/scene/sceneBundle.ts
@@ -2,6 +2,7 @@ import Viewer from './viewer';
 import CadScene from './cadScene';
 import {externalState, stream} from 'lstream';
 import {ApplicationContext} from "cad/context";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: ApplicationContext) {
   const {services} = ctx;
@@ -56,3 +57,8 @@ export interface SceneBundleContext {
   cadScene: CadScene;
   viewer: Viewer;
 }
+
+export const outputContextSpec: ContextSpec<SceneBundleContext> = {
+  cadScene: 'required',
+  viewer: 'required'
+}
diff --git a/web/app/cad/sketch/sketchStorageBundle.ts b/web/app/cad/sketch/sketchStorageBundle.ts
index 31ed84ec..46aa0735 100644
--- a/web/app/cad/sketch/sketchStorageBundle.ts
+++ b/web/app/cad/sketch/sketchStorageBundle.ts
@@ -1,5 +1,6 @@
 import {CoreContext} from "cad/context";
 import {ReadSketch} from "./sketchReader";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function activate(ctx: CoreContext) {
 
@@ -73,4 +74,8 @@ export interface SketchStorageBundleContext {
   sketchStorageService: SketchStorageService;
 }
 
+export const outputContextSpec: ContextSpec<SketchStorageBundleContext> = {
+  sketchStorageService: 'required'
+}
+
 
diff --git a/web/app/cad/sketch/sketcherBundle.ts b/web/app/cad/sketch/sketcherBundle.ts
index d70ca117..36677cbf 100644
--- a/web/app/cad/sketch/sketcherBundle.ts
+++ b/web/app/cad/sketch/sketcherBundle.ts
@@ -7,6 +7,7 @@ import {Viewer} from "sketcher/viewer2d";
 import {IO} from "sketcher/io";
 import {Generator} from "sketcher/id-generator";
 import {MFace} from "cad/model/mface";
+import {ContextSpec} from "bundler/bundleSystem";
 
 export function defineStreams(ctx) {
   ctx.streams.sketcher = {
@@ -204,3 +205,7 @@ export interface SketcherBundleContext {
 
   sketcherService: SketcherService;
 }
+
+export const outputContextSpec: ContextSpec<SketcherBundleContext> = {
+  sketcherService: 'required'
+}
diff --git a/web/app/cad/storage/storageBundle.ts b/web/app/cad/storage/storageBundle.ts
index 8da162a1..ed45c858 100644
--- a/web/app/cad/storage/storageBundle.ts
+++ b/web/app/cad/storage/storageBundle.ts
@@ -1,5 +1,6 @@
 import {stream} from 'lstream';
 import {CoreContext} from "cad/context";
+import {ContextSpec} from "bundler/bundleSystem";
 
 const updates$ = stream();
 
@@ -87,3 +88,6 @@ export interface StorageBundleContext {
   storageService: StorageService;
 }
 
+export const outputContextSpec: ContextSpec<StorageBundleContext> = {
+  storageService: 'required'
+}
diff --git a/web/app/cad/workbench/workbenchBundle.ts b/web/app/cad/workbench/workbenchBundle.ts
index f54b1ad2..9106603a 100644
--- a/web/app/cad/workbench/workbenchBundle.ts
+++ b/web/app/cad/workbench/workbenchBundle.ts
@@ -1,6 +1,7 @@
 import {ApplicationContext} from "cad/context";
 import {WorkbenchService} from "cad/workbench/workbenchService";
 import {CurrentWorkbenchIcon} from "cad/workbench/CurrentWorkbenchIcon";
+import {Bundle} from "bundler/bundleSystem";
 
 
 export interface WorkbenchBundleContext {
@@ -8,7 +9,19 @@ export interface WorkbenchBundleContext {
   workbenchService: WorkbenchService;
 }
 
-export const WorkbenchBundle = {
+export const WorkbenchBundle: Bundle<ApplicationContext, WorkbenchBundleContext> = {
+
+  deactivate(ctx: ApplicationContext & WorkbenchBundleContext) {
+  },
+
+  inputContextSpec: {
+
+  },
+
+  outputContextSpec: {
+    workbenchService: 'required'
+  },
+
 
   activate(ctx: ApplicationContext) {
 
diff --git a/web/app/cad/workbench/workbenchesLoaderPlugin.ts b/web/app/cad/workbench/workbenchesLoaderPlugin.ts
index 1df03219..17876a82 100644
--- a/web/app/cad/workbench/workbenchesLoaderPlugin.ts
+++ b/web/app/cad/workbench/workbenchesLoaderPlugin.ts
@@ -4,7 +4,7 @@ import createDatumOperation from "cad/craft/datum/create/createDatumOperation";
 import moveDatumOperation from "cad/craft/datum/move/moveDatumOperation";
 import rotateDatumOperation from "cad/craft/datum/rotate/rotateDatumOperation";
 import datumOperation from "cad/craft/primitives/plane/planeOperation";
-import {Plugin} from "plugable/pluginSystem";
+import {Bundle} from "bundler/bundleSystem";
 import {WorkbenchService} from "cad/workbench/workbenchService";
 import {OperationService} from "cad/craft/operationBundle";
 
@@ -13,7 +13,7 @@ export interface WorkbenchesLoaderInputContext {
   operationService: OperationService
 }
 
-export const WorkbenchesLoaderPlugin: Plugin<WorkbenchesLoaderInputContext, {}> = {
+export const WorkbenchesLoaderPlugin: Bundle<WorkbenchesLoaderInputContext, {}> = {
 
   inputContextSpec: {
     workbenchService: 'required',