diff --git a/src/app/shared/mydspace-actions/claimed-task/abstract/advanced-claimed-task-actions-abstract.component.ts b/src/app/shared/mydspace-actions/claimed-task/abstract/advanced-claimed-task-actions-abstract.component.ts
index 8738f7745b..3774b60f1a 100644
--- a/src/app/shared/mydspace-actions/claimed-task/abstract/advanced-claimed-task-actions-abstract.component.ts
+++ b/src/app/shared/mydspace-actions/claimed-task/abstract/advanced-claimed-task-actions-abstract.component.ts
@@ -1,5 +1,8 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { ClaimedTaskActionsAbstractComponent } from './claimed-task-actions-abstract.component';
+import { getFirstSucceededRemoteDataPayload } from '../../../../core/shared/operators';
+import { WorkflowItem } from '../../../../core/submission/models/workflowitem.model';
+import { getAdvancedWorkflowRoute } from '../../../../workflowitems-edit-page/workflowitems-edit-page-routing-paths';
 
 /**
  * Abstract component for rendering an advanced claimed task's action
@@ -12,7 +15,7 @@ import { ClaimedTaskActionsAbstractComponent } from './claimed-task-actions-abst
   selector: 'ds-advanced-claimed-task-action-abstract',
   template: ''
 })
-export abstract class AdvancedClaimedTaskActionsAbstractComponent extends ClaimedTaskActionsAbstractComponent {
+export abstract class AdvancedClaimedTaskActionsAbstractComponent extends ClaimedTaskActionsAbstractComponent implements OnInit {
 
   workflowType: string;
 
@@ -21,10 +24,27 @@ export abstract class AdvancedClaimedTaskActionsAbstractComponent extends Claime
    */
   workflowTaskPageRoute: string;
 
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.initPageRoute();
+  }
+
+  /**
+   * Initialise the route to the advanced workflow page
+   */
+  initPageRoute() {
+    this.subs.push(this.object.workflowitem.pipe(
+      getFirstSucceededRemoteDataPayload()
+    ).subscribe((workflowItem: WorkflowItem) => {
+      this.workflowTaskPageRoute = getAdvancedWorkflowRoute(workflowItem.id);
+    }));
+  }
+
   openAdvancedClaimedTaskTab(): void {
     void this.router.navigate([this.workflowTaskPageRoute], {
       queryParams: {
         workflow: this.workflowType,
+        claimedTask: this.object.id,
       },
     });
   }
diff --git a/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.spec.ts b/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.spec.ts
index ed2fc42310..563af2810e 100644
--- a/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.spec.ts
+++ b/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.spec.ts
@@ -19,11 +19,19 @@ import { NO_ERRORS_SCHEMA } from '@angular/core';
 import {
   ADVANCED_WORKFLOW_ACTION_RATING_REVIEWER
 } from '../../../../workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-rating-reviewer/advanced-workflow-action-rating-reviewer.component';
+import { of as observableOf } from 'rxjs';
+import { WorkflowItem } from '../../../../core/submission/models/workflowitem.model';
 
 const taskId = 'claimed-task-1';
+const workflowId = 'workflow-1';
 
 describe('AdvancedClaimedTaskActionRatingReviewerComponent', () => {
-  const object = Object.assign(new ClaimedTask(), { id: taskId });
+  const object = Object.assign(new ClaimedTask(), {
+    id: taskId,
+    workflowitem: observableOf(Object.assign(new WorkflowItem(), {
+      id: workflowId,
+    })),
+  });
   let component: AdvancedClaimedTaskActionRatingReviewerComponent;
   let fixture: ComponentFixture<AdvancedClaimedTaskActionRatingReviewerComponent>;
 
@@ -75,11 +83,13 @@ describe('AdvancedClaimedTaskActionRatingReviewerComponent', () => {
   });
 
   it('should navigate to the advanced workflow page when clicked', () => {
+    component.workflowTaskPageRoute = `/workflowitems/${workflowId}/advanced`;
     fixture.debugElement.query(By.css('.ratingReviewerAction')).nativeElement.click();
 
-    expect(router.navigate).toHaveBeenCalledWith([`/workflowitems/${taskId}/advanced`], {
+    expect(router.navigate).toHaveBeenCalledWith([`/workflowitems/${workflowId}/advanced`], {
       queryParams: {
         workflow: ADVANCED_WORKFLOW_ACTION_RATING_REVIEWER,
+        claimedTask: taskId,
       },
     });
   });
diff --git a/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.ts b/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.ts
index bfa676b30e..20fe58c80e 100644
--- a/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.ts
+++ b/src/app/shared/mydspace-actions/claimed-task/rating-reviewer/advanced-claimed-task-action-rating-reviewer.component.ts
@@ -4,7 +4,6 @@ import { NotificationsService } from '../../../notifications/notifications.servi
 import { TranslateService } from '@ngx-translate/core';
 import { SearchService } from '../../../../core/shared/search/search.service';
 import { RequestService } from '../../../../core/data/request.service';
-import { getAdvancedWorkflowRoute } from '../../../../workflowitems-edit-page/workflowitems-edit-page-routing-paths';
 import {
   AdvancedClaimedTaskActionsAbstractComponent
 } from '../abstract/advanced-claimed-task-actions-abstract.component';
@@ -28,11 +27,6 @@ export class AdvancedClaimedTaskActionRatingReviewerComponent extends AdvancedCl
 
   workflowType = ADVANCED_WORKFLOW_ACTION_RATING_REVIEWER;
 
-  /**
-   * Route to the workflow's task page
-   */
-  workflowTaskPageRoute: string;
-
   constructor(
     protected injector: Injector,
     protected router: Router,
@@ -44,15 +38,4 @@ export class AdvancedClaimedTaskActionRatingReviewerComponent extends AdvancedCl
     super(injector, router, notificationsService, translate, searchService, requestService);
   }
 
-  ngOnInit(): void {
-    this.initPageRoute();
-  }
-
-  /**
-   * Initialise the route to the rating reviewer's page
-   */
-  initPageRoute(): void {
-    this.workflowTaskPageRoute = getAdvancedWorkflowRoute(this.object.id);
-  }
-
 }
diff --git a/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.spec.ts b/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.spec.ts
index 0c91898a97..db670e3cdc 100644
--- a/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.spec.ts
+++ b/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.spec.ts
@@ -20,11 +20,19 @@ import { Location } from '@angular/common';
 import {
   ADVANCED_WORKFLOW_ACTION_SELECT_REVIEWER
 } from '../../../../workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-select-reviewer/advanced-workflow-action-select-reviewer.component';
+import { WorkflowItem } from '../../../../core/submission/models/workflowitem.model';
+import { of as observableOf } from 'rxjs';
 
 const taskId = 'claimed-task-1';
+const workflowId = 'workflow-1';
 
 describe('AdvancedClaimedTaskActionSelectReviewerComponent', () => {
-  const object = Object.assign(new ClaimedTask(), { id: taskId });
+  const object = Object.assign(new ClaimedTask(), {
+    id: taskId,
+    workflowitem: observableOf(Object.assign(new WorkflowItem(), {
+      id: workflowId,
+    })),
+  });
   let component: AdvancedClaimedTaskActionSelectReviewerComponent;
   let fixture: ComponentFixture<AdvancedClaimedTaskActionSelectReviewerComponent>;
 
@@ -77,11 +85,13 @@ describe('AdvancedClaimedTaskActionSelectReviewerComponent', () => {
   });
 
   it('should navigate to the advanced workflow page when clicked', () => {
+    component.workflowTaskPageRoute = `/workflowitems/${workflowId}/advanced`;
     fixture.debugElement.query(By.css('.selectReviewerAction')).nativeElement.click();
 
-    expect(router.navigate).toHaveBeenCalledWith([`/workflowitems/${taskId}/advanced`], {
+    expect(router.navigate).toHaveBeenCalledWith([`/workflowitems/${workflowId}/advanced`], {
       queryParams: {
         workflow: ADVANCED_WORKFLOW_ACTION_SELECT_REVIEWER,
+        claimedTask: taskId,
       },
     });
   });
diff --git a/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.ts b/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.ts
index 7b2aa015af..c7a2a2e545 100644
--- a/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.ts
+++ b/src/app/shared/mydspace-actions/claimed-task/select-reviewer/advanced-claimed-task-action-select-reviewer.component.ts
@@ -8,7 +8,6 @@ import { NotificationsService } from '../../../notifications/notifications.servi
 import { TranslateService } from '@ngx-translate/core';
 import { SearchService } from '../../../../core/shared/search/search.service';
 import { RequestService } from '../../../../core/data/request.service';
-import { getAdvancedWorkflowRoute } from '../../../../workflowitems-edit-page/workflowitems-edit-page-routing-paths';
 import {
   ADVANCED_WORKFLOW_ACTION_SELECT_REVIEWER,
   WORKFLOW_ADVANCED_TASK_OPTION_SELECT_REVIEWER
@@ -40,15 +39,4 @@ export class AdvancedClaimedTaskActionSelectReviewerComponent extends AdvancedCl
     super(injector, router, notificationsService, translate, searchService, requestService);
   }
 
-  ngOnInit(): void {
-    this.initPageRoute();
-  }
-
-  /**
-   * Initialise the route to the select reviewer's page
-   */
-  initPageRoute() {
-    this.workflowTaskPageRoute = getAdvancedWorkflowRoute(this.object.id);
-  }
-
 }
diff --git a/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-select-reviewer/advanced-workflow-action-select-reviewer.component.ts b/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-select-reviewer/advanced-workflow-action-select-reviewer.component.ts
index 29949a0ae3..d7a885f067 100644
--- a/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-select-reviewer/advanced-workflow-action-select-reviewer.component.ts
+++ b/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action-select-reviewer/advanced-workflow-action-select-reviewer.component.ts
@@ -26,7 +26,7 @@ export class AdvancedWorkflowActionSelectReviewerComponent extends AdvancedWorkf
 
   multipleReviewers = true;
 
-  selectedReviewers: EPerson[];
+  selectedReviewers: EPerson[] = [];
 
   reviewersListActionConfig: EPersonListActionConfig;
 
diff --git a/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action/advanced-workflow-action.component.ts b/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action/advanced-workflow-action.component.ts
index bef619ce45..f40cde6fa6 100644
--- a/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action/advanced-workflow-action.component.ts
+++ b/src/app/workflowitems-edit-page/advanced-workflow-action/advanced-workflow-action/advanced-workflow-action.component.ts
@@ -41,6 +41,24 @@ export abstract class AdvancedWorkflowActionComponent extends WorkflowItemAction
     );
   }
 
+  /**
+   * Performs the action and shows a notification based on the outcome of the action
+   */
+  performAction() {
+    this.sendRequest(this.route.snapshot.queryParams.claimedTask).subscribe((successful: boolean) => {
+      if (successful) {
+        const title = this.translationService.get('workflow-item.' + this.type + '.notification.success.title');
+        const content = this.translationService.get('workflow-item.' + this.type + '.notification.success.content');
+        this.notificationsService.success(title, content);
+        this.previousPage();
+      } else {
+        const title = this.translationService.get('workflow-item.' + this.type + '.notification.error.title');
+        const content = this.translationService.get('workflow-item.' + this.type + '.notification.error.content');
+        this.notificationsService.error(title, content);
+      }
+    });
+  }
+
   /**
    * Submits the task with the given {@link createBody}.
    *