diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
index 3b858faac45..db3dc31948f 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
@@ -10,6 +10,9 @@
         <button class="btn btn-outline-secondary" type="button" (click)="reset()">
           {{'vocabulary-treeview.search.form.reset' | translate}}
         </button>
+        <button class="btn btn-outline-primary" type="button" (click)="add()" [disabled]="this.vocabularyOptions.closed">
+          {{'vocabulary-treeview.search.form.add' | translate}}
+        </button>
       </div>
     </div>
   </div>
diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
index 804ae634913..d5a5dee1f5e 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
@@ -293,6 +293,15 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
     }
   }
 
+  add() {
+    const userVocabularyEntry = {
+      value: this.searchText,
+      display: this.searchText,
+    } as VocabularyEntryDetail;
+    this.select.emit(userVocabularyEntry);
+  }
+
+
   /**
    * Unsubscribe from all subscriptions
    */
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index 3b3578fac5d..741ff0ffc9c 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -5240,4 +5240,6 @@
 
   "access-control-option-end-date-note": "Select the date until which the related access condition is applied",
 
+  "vocabulary-treeview.search.form.add": "Add",
+
 }