# Message Templates

The message template feature supports customizing the content of message templates and can notify specified objects in the form of email, WeCom, DingTalk, Webhook, and SMS.

## Creating a Message Template

1. In the left navigation bar, select __Alert__ -> __Message Template__ .

    Insight comes with two default built-in templates in both Chinese and English for user convenience.

    ![Click button](../images/template00.png)

2. Fill in the template content.

    ![message template](https://docs.daocloud.io/daocloud-docs-images/docs/en/docs/insight/images/template02.png)

!!! info

    Observability comes with predefined message templates. If you need to define the content of the templates, refer to [Configure Notification Templates](../../reference/notify-helper.md).

## Message Template Details

Click the name of a message template to view the details of the message template in the right slider.

![Message Template](../images/msg-detail.png)

| Parameters | Variable | Description |
|------------|----------|-------------|
| ruleName | {{ .Labels.alertname }} | The name of the rule that triggered the alert |
| groupName | {{ .Labels.alertgroup }} | The name of the alert policy to which the alert rule belongs |
| severity | {{ .Labels.severity }} | The level of the alert that was triggered |
| cluster | {{ .Labels.cluster }} | The cluster where the resource that triggered the alert is located |
| namespace | {{ .Labels.namespace }} | The namespace where the resource that triggered the alert is located |
| node | {{ .Labels.node }} | The node where the resource that triggered the alert is located |
| targetType | {{ .Labels.target_type }} | The resource type of the alert target |
| target | {{ .Labels.target }} | The name of the object that triggered the alert |
|  value | {{ .Annotations.value }} | The metric value at the time the alert notification was triggered |
| startsAt | {{ .StartsAt }} | The time when the alert started to occur |
| endsAt | {{ .EndsAt }} | The time when the alert ended |
| description | {{ .Annotations.description }} | A detailed description of the alert |
| labels | {{ for .labels }} {{ end }} | All labels of the alert use the `for` function to iterate through the labels list to get all label contents. |

## Editing or Deleting a Message Template

Click __┇__ on the right side of the list and select __Edit__ or __Delete__ from the pop-up menu to modify or delete the message template.

!!! warning

    Once a template is deleted, it cannot be recovered, so please use caution when deleting templates.