diff --git a/.github/workflows/automated-tests-publish-results.yml b/.github/workflows/automated-tests-publish-results.yml
deleted file mode 100644
index 08a4f6a8..00000000
--- a/.github/workflows/automated-tests-publish-results.yml
+++ /dev/null
@@ -1,88 +0,0 @@
-name: Automated tests - publish results
-on:
-  workflow_run:
-    workflows:
-      - Automated tests
-    types:
-      - completed
-
-jobs:
-  get-pr-data:
-    runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.event == 'pull_request' }}
-    outputs:
-      pr-number: ${{ steps.set-env.outputs.pr-number }}
-      workflow-id: ${{ steps.set-env.outputs.workflow-id }}
-    steps:
-      # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#using-data-from-the-triggering-workflow
-      - name: Download artifact
-        uses: actions/github-script@v6
-        with:
-          script: |
-            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               run_id: context.payload.workflow_run.id,
-            });
-
-            let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
-              return artifact.name == "pr-comment-data"
-            })[0];
-            let download = await github.rest.actions.downloadArtifact({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               artifact_id: matchArtifact.id,
-               archive_format: 'zip',
-            });
-            let fs = require('fs');
-            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/pr-comment-data.zip`, Buffer.from(download.data));
-      - name: Unzip artifact
-        run: unzip pr-comment-data.zip
-      - name: Set env variables
-        id: set-env
-        run: |
-          echo "pr-number=$(cat ./pr_number)" >> $GITHUB_OUTPUT
-          echo "workflow-id=$(cat ./workflow_id)" >> $GITHUB_OUTPUT
-  comment-pr:
-    runs-on: ubuntu-latest
-    permissions:
-      pull-requests: write
-    needs: get-pr-data
-    steps:
-      - name: Find Comment
-        uses: peter-evans/find-comment@v2
-        id: fc
-        with:
-          issue-number: ${{ needs.get-pr-data.outputs.pr-number }}
-          comment-author: "github-actions[bot]"
-          body-includes: Automated tests Summary
-      - name: Remove previous comment
-        if: steps.fc.outputs.comment-id != ''
-        uses: actions/github-script@v6
-        with:
-          script: |
-            github.rest.issues.deleteComment({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              comment_id: ${{ steps.fc.outputs.comment-id }}
-            })
-      - name: Passing tests comment
-        if: ${{ github.event.workflow_run.conclusion == 'success' }}
-        uses: peter-evans/create-or-update-comment@v2
-        with:
-          issue-number: ${{ needs.get-pr-data.outputs.pr-number }}
-          body: |
-            <h1>Automated tests Summary</h1>
-            <h3><strong>:white_check_mark:</strong> All the CI tests have passed!</h3>
-      - name: Failing tests comment
-        if: ${{ github.event.workflow_run.conclusion == 'failure' }}
-        uses: peter-evans/create-or-update-comment@v2
-        with:
-          issue-number: ${{ needs.get-pr-data.outputs.pr-number }}
-          body: |
-            <h1> Automated tests Summary</h1>
-            <h3><strong>:rotating_light:</strong> Test workflow has failed</h3>
-
-            ___
-
-            [Click here](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ needs.get-pr-data.outputs.workflow-id }}) to check the action test reports
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
new file mode 100644
index 00000000..1b832c26
--- /dev/null
+++ b/.github/workflows/unit-tests.yml
@@ -0,0 +1,27 @@
+name: Unit tests
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install dependencies
+        run: npm install
+      - name: Run unit tests
+        run: npm run test:unit:coverage
+      - name: Upload coverage report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage/
diff --git a/.gitignore b/.gitignore
index d7d91506..08b5f0c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,9 @@ dist/
 dist-tsc/
 .env
 
+# vitest
+coverage/
+
 # playwright
 test-results/
 playwright-report/
diff --git a/src/core/api/BbbPluginSdk.ts b/src/core/api/BbbPluginSdk.ts
index 82a09959..9f0c1d47 100644
--- a/src/core/api/BbbPluginSdk.ts
+++ b/src/core/api/BbbPluginSdk.ts
@@ -63,6 +63,8 @@ import { useCustomMutation } from '../../data-creation/hook';
 import { UseCustomMutationFunction } from '../../data-creation/types';
 import { UseMeetingDataFunction } from '../../data-consumption/domain/meeting/meeting-data/types';
 import { useMeetingData } from '../../data-consumption/domain/meeting/meeting-data/hooks';
+import { UseTimerFunction } from '../../data-consumption/domain/timer/types';
+import { useTimer } from '../../data-consumption/domain/timer/hooks';
 
 declare const window: PluginBrowserWindow;
 
@@ -108,6 +110,7 @@ export abstract class BbbPluginSdk {
     pluginApi.useMeetingData = useMeetingData as UseMeetingDataFunction;
     pluginApi.useUsersBasicInfo = (() => useUsersBasicInfo()) as UseUsersBasicInfoFunction;
     pluginApi.useTalkingIndicator = (() => useTalkingIndicator()) as UseTalkingIndicatorFunction;
+    pluginApi.useTimer = (() => useTimer()) as UseTimerFunction;
     pluginApi.getJoinUrl = (params) => getJoinUrl(params);
     pluginApi.useLoadedChatMessages = (
       () => useLoadedChatMessages()) as UseLoadedChatMessagesFunction;
diff --git a/src/core/api/types.ts b/src/core/api/types.ts
index fdf0fdee..ab9652e5 100644
--- a/src/core/api/types.ts
+++ b/src/core/api/types.ts
@@ -39,6 +39,7 @@ import { GetUiDataFunction } from '../../ui-data/getters/types';
 import { UseCustomQueryFunction } from '../../data-consumption/domain/shared/custom-query/types';
 import { UseCustomMutationFunction } from '../../data-creation/types';
 import { UseMeetingDataFunction } from '../../data-consumption/domain/meeting/meeting-data/types';
+import { UseTimerFunction } from '../../data-consumption/domain/timer/types';
 
 // Setter Functions for the API
 export type SetPresentationToolbarItems = (presentationToolbarItem:
@@ -200,6 +201,13 @@ export interface PluginApi {
    *
    */
   useTalkingIndicator?: UseTalkingIndicatorFunction;
+  /**
+   * Returns an object containing the current state of the meeting timer.
+   *
+   * @returns `GraphqlResponseWrapper` with the TimerData type.
+   *
+   */
+  useTimer?: UseTimerFunction;
   /**
    * Returns a boolean telling if the plugin should be unmounted or not based on the mounting
    * of the meeting. This means that if the meeting end or the user is ejected, this will
diff --git a/src/data-consumption/domain/timer/hooks.ts b/src/data-consumption/domain/timer/hooks.ts
new file mode 100644
index 00000000..aede873a
--- /dev/null
+++ b/src/data-consumption/domain/timer/hooks.ts
@@ -0,0 +1,7 @@
+import { DataConsumptionHooks } from '../../enums';
+import { createDataConsumptionHook } from '../../factory/hookCreator';
+import { TimerData } from './types';
+
+export const useTimer = () => createDataConsumptionHook<TimerData>(
+  DataConsumptionHooks.TIMER,
+);
diff --git a/src/data-consumption/domain/timer/index.ts b/src/data-consumption/domain/timer/index.ts
new file mode 100644
index 00000000..af294047
--- /dev/null
+++ b/src/data-consumption/domain/timer/index.ts
@@ -0,0 +1,2 @@
+export * from './types';
+export * from './hooks';
diff --git a/src/data-consumption/domain/timer/types.ts b/src/data-consumption/domain/timer/types.ts
new file mode 100644
index 00000000..dd377bc6
--- /dev/null
+++ b/src/data-consumption/domain/timer/types.ts
@@ -0,0 +1,15 @@
+import { GraphqlResponseWrapper } from '../../../core';
+
+export interface TimerData {
+  accumulated: number;
+  active: boolean;
+  songTrack: string;
+  time: number;
+  stopwatch: boolean;
+  running: boolean;
+  startedAt: string | null;
+  elapsed: boolean;
+  timePassed: number;
+}
+
+export type UseTimerFunction = () => GraphqlResponseWrapper<TimerData>;
diff --git a/src/data-consumption/enums.ts b/src/data-consumption/enums.ts
index 238ce3c1..ea2dc29c 100644
--- a/src/data-consumption/enums.ts
+++ b/src/data-consumption/enums.ts
@@ -9,4 +9,5 @@ export enum DataConsumptionHooks {
   TALKING_INDICATOR = 'Hooks::UseTalkingIndicator',
   CUSTOM_SUBSCRIPTION = 'Hooks::CustomSubscription',
   CUSTOM_QUERY = 'Hooks::CustomQuery',
+  TIMER = 'Hooks::UseTimer',
 }
diff --git a/src/data-consumption/factory/hookCreator.ts b/src/data-consumption/factory/hookCreator.ts
index cf2ecfe7..eb292aef 100644
--- a/src/data-consumption/factory/hookCreator.ts
+++ b/src/data-consumption/factory/hookCreator.ts
@@ -37,7 +37,9 @@ export const createDataConsumptionHook = <T>(
       sortedStringify(hookArguments?.variables)
       !== sortedStringify(variablesState)
     ) {
-      setVariablesState(() => JSON.parse(sortedStringify(hookArguments?.variables)));
+      setVariablesState(() => (hookArguments?.variables === undefined
+        ? undefined
+        : JSON.parse(sortedStringify(hookArguments.variables))));
     }
   }
 
diff --git a/src/data-consumption/index.ts b/src/data-consumption/index.ts
index 410f4af5..90af3803 100644
--- a/src/data-consumption/index.ts
+++ b/src/data-consumption/index.ts
@@ -4,5 +4,6 @@ export * from './domain/meeting';
 export * from './domain/users';
 export * from './domain/user-voice';
 export * from './domain/shared';
+export * from './domain/timer';
 
 export * from './factory/types';
diff --git a/tests/unit/data-consumption/factory/hookCreator.test.ts b/tests/unit/data-consumption/factory/hookCreator.test.ts
index 404a70aa..7ace4ddb 100644
--- a/tests/unit/data-consumption/factory/hookCreator.test.ts
+++ b/tests/unit/data-consumption/factory/hookCreator.test.ts
@@ -116,6 +116,23 @@ describe('createDataConsumptionHook', () => {
       expect(variablesOf(subscribeEvents[1])).toEqual(PT_BR_VARIABLES);
     });
 
+    it('resubscribes without variables when they become undefined', () => {
+      const { rerender } = renderHook(
+        ({ variables }: { variables?: object }) => createDataConsumptionHook<CaptionData>(
+          DataConsumptionHooks.CUSTOM_SUBSCRIPTION,
+          { query: QUERY_WITH_ONE_VARIABLE, variables },
+        ),
+        { initialProps: { variables: EN_VARIABLES as object | undefined } },
+      );
+
+      rerender({ variables: undefined });
+
+      expect(unsubscribeEvents).toHaveLength(1);
+      expect(variablesOf(unsubscribeEvents[0])).toEqual(EN_VARIABLES);
+      expect(subscribeEvents).toHaveLength(2);
+      expect(variablesOf(subscribeEvents[1])).toBeUndefined();
+    });
+
     it('does not resubscribe when a rerender passes a new variables object with the same content', () => {
       const { rerender } = renderCustomSubscriptionHook({ locale: 'en' });