Slack connector and action


Slack connector and actionedit

The Slack connector uses Slack Incoming Webhooks.

Connector configurationedit

Slack connectors have the following configuration properties.

The name of the connector. The name is used to identify a connector in the management UI connector listing, or in the connector list when configuring an action.
Webhook URL
The URL of the incoming webhook. See Slack Incoming Webhooks for instructions on generating this URL. If you are using the xpack.actions.allowedHosts setting, make sure the hostname is added to the allowed hosts.

Connector networking configurationedit

Use the Action configuration settings to customize connector networking configurations, such as proxies, certificates, or TLS settings. You can set configurations that apply to all your connectors or use xpack.actions.customHostSettings to set per-host configurations.

Preconfigured connector typeedit

   name: preconfigured-slack-connector-type
   actionTypeId: .slack
     webhookUrl: ''

Secrets defines sensitive information for the connector type.

A string that corresponds to Webhook URL.

Define connector in Stack Managementedit

Define Slack connector properties.

Slack connector

Test Slack action parameters.

Slack params test

Action configurationedit

Slack actions have the following properties.

The message text, converted to the text field in the Webhook JSON payload. Currently only the text field is supported. Markdown, images, and other advanced formatting are not yet supported.

Configure a Slack accountedit

You need a Slack webhook URL to configure a Slack account. To create a webhook URL, set up an an Incoming Webhook Integration through the Slack console:

  1. Log in to as a team administrator.
  2. Go to
  3. Select a default channel for the integration.

    slack add webhook integration
  4. Click Add Incoming Webhook Integration.
  5. Copy the generated webhook URL so you can paste it into your Slack connector form.