diff --git a/@overflow/model/discovery/discovery.ts b/@overflow/model/discovery/discovery.ts
new file mode 100644
index 0000000..879cffa
--- /dev/null
+++ b/@overflow/model/discovery/discovery.ts
@@ -0,0 +1,4 @@
+export enum DiscoveryModeType {
+  Privileged = 'Privileged',
+  Unprivileged = 'Unprivileged',
+}
diff --git a/src/app/pages/home/home-page.component.ts b/src/app/pages/home/home-page.component.ts
index fce4bdf..a4fc8f2 100644
--- a/src/app/pages/home/home-page.component.ts
+++ b/src/app/pages/home/home-page.component.ts
@@ -16,6 +16,7 @@ import { Link } from '../../../commons/model/link';
 import { RPCError } from '@overflow/rpc-js';
 import { toMetaIPType, MetaIPTypeEnum, toMetaCryptoType, MetaCryptoTypeEnum } from '@overflow/model/meta';
 import { Message } from 'primeng/primeng';
+import { DiscoveryModeType } from '@overflow/model/discovery/discovery';
 
 @Component({
   selector: 'app-pages-home',
@@ -617,7 +618,7 @@ export class HomePageComponent implements OnInit, OnDestroy {
  * DiscoveryMode
  */
   @RPCSubscriber({ method: 'DiscoveryService.DiscoveryMode' })
-  public DiscoveryMode(mode: string) {
+  public DiscoveryMode(mode: DiscoveryModeType) {
     this.discoveryConfigService.setDiscoveryMode(mode);
   }