Retrieve webhook message schema (Beta)

Retrieve the schema for an action sequence in a workbook configured to be triggered from a webhook. **Beta**: This documentation describes a public beta feature and is subject to the [Beta features](/docs/sigma-product-releases#beta-features) disclaimer. To send data to this webhook, see the [/v2/webhooks/{workbookId}/{sequenceId}](webhooks) endpoint. ### Usage notes - Retrieve the **workbookId** by calling the [/v2/workbooks](listworkbooks) endpoint. - Retrieve the webhook URL, which contains the **workbookId** and **sequenceId**, by creating a webhook through the Sigma UI. The URL will be formatted as `/v2/webhooks/{workbookId}/{sequenceId}`. - The keys included in the response `variables` are the same JSON keys used in the POST body for [/v2/webhooks/{workbookId}/{sequenceId}](webhooks).