pingcap · huoyao1125 · Jan 30, 2026 · Jan 30, 2026 · Jan 30, 2026 · Jan 30, 2026
diff --git a/TOC-tidb-cloud-essential.md b/TOC-tidb-cloud-essential.md
@@ -158,6 +158,11 @@
   - Monitor and Alert
     - [Overview](/tidb-cloud/monitor-tidb-cluster.md)
     - [Built-in Metrics](/tidb-cloud/built-in-monitoring.md)
+    - [Built-in Alerting](/tidb-cloud/monitor-built-in-alerting.md)
+    - Subscribe to Alert Notifications
+      - [Subscribe via Email](/tidb-cloud/monitor-alert-email.md)
+      - [Subscribe via Slack](/tidb-cloud/monitor-alert-slack.md)
+      - [Subscribe via Zoom](/tidb-cloud/monitor-alert-zoom.md)
     - [Cluster Events](/tidb-cloud/tidb-cloud-events.md)
   - Tune Performance
     - [Overview](/tidb-cloud/tidb-cloud-tune-performance-overview.md)
@@ -688,6 +693,11 @@
   - [Connected Care Details](/tidb-cloud/connected-care-detail.md)
   - Connected Care Support Service Features
     - [Connected: AI Chat in IM](/tidb-cloud/connected-ai-chat-in-im.md)
+    - Connected: IM Subscription for TiDB Cloud Alerts
+      - [Subscribe via Slack](/tidb-cloud/monitor-alert-slack.md)
+      - [Subscribe via Zoom](/tidb-cloud/monitor-alert-zoom.md)
+      - [Subscribe via Flashduty](/tidb-cloud/monitor-alert-flashduty.md)
+      - [Subscribe via PagerDuty](/tidb-cloud/monitor-alert-pagerduty.md)
     - Connected: IM Ticket Creation and Update Subscription
       - [Create Tickets and Subscribe to Ticket Updates via Slack](/tidb-cloud/connected-slack-ticket-creation.md)
       - [Create Tickets and Subscribe to Ticket Updates via Lark](/tidb-cloud/connected-lark-ticket-creation.md)

diff --git a/tidb-cloud/monitor-alert-email.md b/tidb-cloud/monitor-alert-email.md
@@ -9,20 +9,22 @@ TiDB Cloud provides you with an easy way to subscribe to alert notifications via
 
 > **Note:**
 >
-> Currently, alert subscription is only available for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
+> Currently, alert subscription is available for [TiDB Cloud Essential](/tidb-cloud/select-cluster-tier.md#essential) and [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
 
 ## Prerequisites
 
 - To subscribe to alert notifications of TiDB Cloud, you must have the `Organization Owner` access to your organization or `Project Owner` access to the target project in TiDB Cloud.
 
 ## Subscribe to alert notifications
 
+To receive alert notifications, take the following steps. The steps vary by cluster plan.
+
+<CustomContent plan="dedicated">
+
 > **Tip:**
 >
 > The alert subscription is for all alerts in the current project. If you have multiple clusters in the project, you just need to subscribe once.
 
-To get alert notifications of clusters in your project, take the following steps:
-
 1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target project using the combo box in the upper-left corner.
 2. In the left navigation pane, click **Project Settings** > **Alert Subscription**.
 3. On the **Alert Subscription** page, click **Add Subscriber** in the upper-right corner.
@@ -34,16 +36,51 @@ To get alert notifications of clusters in your project, take the following steps
     - If the test fails, an error message is displayed. Follow the message to troubleshoot the issue and then retry the connection.
 
 7. Click **Save** to complete the subscription.
+
+</CustomContent>
+
+<CustomContent plan="essential">
+
+> **Tip:**
+>
+> The alert subscription is for all alerts in the current cluster. If you have multiple clusters, you need to subscribe to each cluster individually.
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, click **Add Subscriber** in the upper-right corner.
+4. Select **Email** from the **Subscriber Type** drop-down list.
+5. Enter your email address.
+6. Click **Test Connection**.
+
+    - If the test succeeds, the **Save** button is displayed.
+    - If the test fails, an error message is displayed. Follow the message to troubleshoot the issue and then retry the connection.
+
+7. Click **Save** to complete the subscription.
+
+</CustomContent>
 
-Alternatively, you can also click **Subscribe** in the upper-right corner of the [**Alert**](/tidb-cloud/monitor-built-in-alerting.md#view-alerts) page of the cluster. You will be directed to the **Alert Subscriber** page.
+Alternatively, you can also click **Subscribe** in the upper-right corner of the [**Alert**](/tidb-cloud/monitor-built-in-alerting.md#view-alerts) page of the cluster. You will be directed to the **Alert Subscription** page.
 
 If an alert condition remains unchanged, the alert sends email notifications every three hours.
 
 ## Unsubscribe from alert notifications
 
-If you no longer want to receive alert notifications of clusters in your project, take the following steps:
+If you no longer want to receive alert notifications, please take the following steps. The steps vary by cluster plan.
+
+<CustomContent plan="dedicated">
 
 1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target project using the combo box in the upper-left corner.
 2. In the left navigation pane, click **Project Settings** > **Alert Subscription**.
 3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
-4. Click **Unsubscribe** to confirm the unsubscription.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
+
+<CustomContent plan="essential">
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
diff --git a/tidb-cloud/monitor-alert-flashduty.md b/tidb-cloud/monitor-alert-flashduty.md
@@ -9,7 +9,7 @@ TiDB Cloud provides you with an easy way to subscribe to alert notifications via
 
 > **Note:**
 >
-> Currently, alert subscription is only available for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
+> Currently, alert subscription is available for [TiDB Cloud Essential](/tidb-cloud/select-cluster-tier.md#essential) and [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
 
 ## Prerequisites
 
@@ -19,7 +19,7 @@ TiDB Cloud provides you with an easy way to subscribe to alert notifications via
 
 ## Subscribe to alert notifications
 
-To receive alert notifications of clusters in your project, take the following steps:
+To receive alert notifications of clusters, take the following steps:
 
 ### Step 1. Generate a Flashduty webhook URL
 
@@ -28,6 +28,10 @@ To receive alert notifications of clusters in your project, take the following s
 
 ### Step 2. Subscribe from TiDB Cloud
 
+Alert notification subscriptions vary by cluster plan.
+
+<CustomContent plan="dedicated">
+
 > **Tip:**
 >
 > The alert subscription is for all alerts in the current project. If you have multiple clusters in the project, you just need to subscribe once.
@@ -44,15 +48,50 @@ To receive alert notifications of clusters in your project, take the following s
 
 7. Click **Save** to complete the subscription.
 
-Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscriber** page.
+</CustomContent>
+
+<CustomContent plan="essential">
+
+> **Tip:**
+>
+> The alert subscription is for all alerts in the current cluster. If you have multiple clusters, you need to subscribe to each cluster individually.
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, click **Add Subscriber** in the upper-right corner.
+4. Select **Flashduty** from the **Subscriber Type** drop-down list.
+5. Enter a name in the **Name** field and your Flashduty webhook URL in the **Webhook URL** field.
+6. Click **Test Connection**.
+
+    - If the test succeeds, the **Save** button is displayed.
+    - If the test fails, an error message is displayed. Follow the message to troubleshoot the issue and retry the connection.
+
+7. Click **Save** to complete the subscription.
+
+</CustomContent>
+
+Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscription** page.
 
 If an alert condition remains unchanged, the alert sends notifications every three hours.
 
 ## Unsubscribe from alert notifications
 
-If you no longer want to receive alert notifications of clusters in your project, take the following steps:
+If you no longer want to receive alert notifications, take the following steps. The steps vary by cluster plan.
+
+<CustomContent plan="dedicated">
 
 1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target project using the combo box in the upper-left corner.
 2. In the left navigation pane, click **Project Settings** > **Alert Subscription**.
 3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
 4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
+
+<CustomContent plan="essential">
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
diff --git a/tidb-cloud/monitor-alert-pagerduty.md b/tidb-cloud/monitor-alert-pagerduty.md
@@ -9,7 +9,7 @@ TiDB Cloud provides you with an easy way to subscribe to alert notifications via
 
 > **Note:**
 >
-> Currently, alert subscription is only available for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
+> Currently, alert subscription is available for [TiDB Cloud Essential](/tidb-cloud/select-cluster-tier.md#essential) and [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
 
 ## Prerequisites
 
@@ -19,7 +19,7 @@ TiDB Cloud provides you with an easy way to subscribe to alert notifications via
 
 ## Subscribe to alert notifications
 
-To receive alert notifications of clusters in your project, take the following steps:
+To receive alert notifications, take the following steps:
 
 ### Step 1. Generate a PagerDuty integration key
 
@@ -28,6 +28,10 @@ To receive alert notifications of clusters in your project, take the following s
 
 ### Step 2. Subscribe from TiDB Cloud
 
+Alert notification subscriptions vary by cluster plan.
+
+<CustomContent plan="dedicated">
+
 > **Tip:**
 >
 > The alert subscription is for all alerts in the current project. If you have multiple clusters in the project, you just need to subscribe once.
@@ -44,15 +48,50 @@ To receive alert notifications of clusters in your project, take the following s
 
 7. Click **Save** to complete the subscription.
 
-Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscriber** page.
+</CustomContent>
+
+<CustomContent plan="essential">
+
+> **Tip:**
+>
+> The alert subscription is for all alerts in the current cluster. If you have multiple clusters, you need to subscribe to each cluster individually.
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, click **Add Subscriber** in the upper-right corner.
+4. Select **PagerDuty** from the **Subscriber Type** drop-down list.
+5. Enter a name in the **Name** field and your PagerDuty integration key in the **Integration Key** field.
+6. Click **Test Connection**.
+
+    - If the test succeeds, the **Save** button is displayed.
+    - If the test fails, an error message is displayed. Follow the message to troubleshoot the issue and retry the connection.
+
+7. Click **Save** to complete the subscription.
+
+</CustomContent>
+
+Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscription** page.
 
 If an alert condition remains unchanged, the alert sends notifications every three hours.
 
 ## Unsubscribe from alert notifications
 
-If you no longer want to receive alert notifications of clusters in your project, take the following steps:
+If you no longer want to receive alert notifications, take the following steps. The steps vary by cluster plan.
 
+<CustomContent plan="dedicated">
+
 1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target project using the combo box in the upper-left corner.
 2. In the left navigation pane, click **Project Settings** > **Alert Subscription**.
 3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
 4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
+
+<CustomContent plan="essential">
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
diff --git a/tidb-cloud/monitor-alert-slack.md b/tidb-cloud/monitor-alert-slack.md
@@ -7,13 +7,9 @@ summary: Learn how to monitor your TiDB cluster by getting alert notifications v
 
 TiDB Cloud provides you with an easy way to subscribe to alert notifications via Slack, [email](/tidb-cloud/monitor-alert-email.md), [Zoom](/tidb-cloud/monitor-alert-zoom.md), [Flashduty](/tidb-cloud/monitor-alert-flashduty.md), and [PagerDuty](/tidb-cloud/monitor-alert-pagerduty.md). This document describes how to subscribe to alert notifications via Slack.
 
-The following screenshot shows two example alerts.
-
-![TiDB Cloud Alerts in Slack](/media/tidb-cloud/tidb-cloud-alert-subscription.png)
-
 > **Note:**
 >
-> Currently, alert subscription is only available for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
+> Currently, alert subscription is available for [TiDB Cloud Essential](/tidb-cloud/select-cluster-tier.md#essential) and [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters.
 
 ## Prerequisites
 
@@ -35,6 +31,10 @@ You can see a new entry under the **Webhook URLs for Your Workspace** section in
 
 ### Step 2. Subscribe from TiDB Cloud
 
+Alert notification subscriptions vary by cluster plan.
+
+<CustomContent plan="dedicated">
+
 > **Tip:**
 >
 > The alert subscription is for all alerts in the current project. If you have multiple clusters in the project, you just need to subscribe once.
@@ -51,15 +51,50 @@ You can see a new entry under the **Webhook URLs for Your Workspace** section in
 
 7. Click **Save** to complete the subscription.
 
-Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscriber** page.
+</CustomContent>
+
+<CustomContent plan="essential">
+
+> **Tip:**
+>
+> The alert subscription is for all alerts in the current cluster. If you have multiple clusters, you need to subscribe to each cluster individually.
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, click **Add Subscriber** in the upper-right corner.
+4. Select **Slack** from the **Subscriber Type** drop-down list.
+5. Enter a name in the **Name** field and your Slack webhook URL in the **URL** field.
+6. Click **Test Connection**.
+
+    - If the test succeeds, the **Save** button is displayed.
+    - If the test fails, an error message is displayed. Follow the message to troubleshoot the issue and retry the connection.
+
+7. Click **Save** to complete the subscription.
+
+</CustomContent>
+
+Alternatively, you can also click **Subscribe** in the upper-right corner of the **Alert** page of the cluster. You will be directed to the **Alert Subscription** page.
 
 If an alert condition remains unchanged, the alert sends notifications every three hours.
 
 ## Unsubscribe from alert notifications
 
-If you no longer want to receive alert notifications of clusters in your project, take the following steps:
+If you no longer want to receive alert notifications, take the following steps. The steps vary by cluster plan.
 
+<CustomContent plan="dedicated">
+
 1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target project using the combo box in the upper-left corner.
 2. In the left navigation pane, click **Project Settings** > **Alert Subscription**.
 3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
-4. Click **Unsubscribe** to confirm the unsubscription.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>
+
+<CustomContent plan="essential">
+
+1. In the [TiDB Cloud console](https://tidbcloud.com), switch to your target cluster using the combo box in the upper-left corner.
+2. In the left navigation pane, click **Settings** > **Alert Subscription**.
+3. On the **Alert Subscription** page, locate the row of your target subscriber to be deleted, and then click **...** > **Unsubscribe**.
+4. Click **Unsubscribe** to confirm the unsubscription.
+
+</CustomContent>