diff --git a/apps/meteor/server/modules/core-apps/mention.module.ts b/apps/meteor/server/modules/core-apps/mention.module.ts
new file mode 100644
index 000000000000..7dbfb6546aa2
--- /dev/null
+++ b/apps/meteor/server/modules/core-apps/mention.module.ts
@@ -0,0 +1,44 @@
+import type { IUiKitCoreApp } from '@rocket.chat/core-services';
+
+// import { VideoConf } from '@rocket.chat/core-services';
+import { addUsersToRoomMethod } from '../../../app/lib/server/methods/addUsersToRoom';
+// import { i18n } from '../../lib/i18n';
+
+export class MentionModule implements IUiKitCoreApp {
+	appId = 'mention-core';
+
+	async blockAction(payload: any): Promise<any> {
+		const {
+			// triggerId,
+			actionId,
+			payload: { value: commaSeparatedUsernames },
+			// user: { _id: userId },
+		} = payload;
+
+		console.log('payload', payload);
+
+		if (actionId === 'dismiss') {
+			// TODO: Remove actions from ephemeral message
+			// TODO: Update message after interaction.
+			// You mentioned Rachel Berry, but they’re not in this room.  (if mentioned user is added to room remove actions)
+			console.log('ignore');
+			// do nothing button
+		}
+
+		const usernames = commaSeparatedUsernames.split(',');
+		if (actionId === 'add-users') {
+			// TODO: Remove actions from ephemeral message
+			console.log('add-users');
+			void addUsersToRoomMethod(payload.user._id, { rid: payload.room, users: usernames }, payload.user);
+			// add users to channel
+		}
+
+		if (actionId === 'share-message') {
+			// TODO: Remove actions from ephemeral message
+			// TODO: update ephemeral message to have the following key
+			// You_mentioned___mentions__but_theyre_not_in_this_room_You_let_them_know_via_dm
+			console.log('share-message');
+			// let them know button
+		}
+	}
+}
diff --git a/apps/meteor/server/startup/coreApps.ts b/apps/meteor/server/startup/coreApps.ts
index dbc4606ea38a..566e0a610124 100644
--- a/apps/meteor/server/startup/coreApps.ts
+++ b/apps/meteor/server/startup/coreApps.ts
@@ -1,4 +1,5 @@
 import { BannerModule } from '../modules/core-apps/banner.module';
+import { MentionModule } from '../modules/core-apps/mention.module';
 import { Nps } from '../modules/core-apps/nps.module';
 import { VideoConfModule } from '../modules/core-apps/videoconf.module';
 import { registerCoreApp } from '../services/uikit-core-app/service';
@@ -6,3 +7,4 @@ import { registerCoreApp } from '../services/uikit-core-app/service';
 registerCoreApp(new Nps());
 registerCoreApp(new BannerModule());
 registerCoreApp(new VideoConfModule());
+registerCoreApp(new MentionModule());