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# What's new in Sigma

> Sigma release notes for Jan 17, 2025: COMMENTS audit log dimension table, allowlist IP addresses for API access, and more.

## Admin

### COMMENTS audit log dimension table

The SIGMA_SHARED schema in the Sigma Audit Logs connection now features a COMMENTS dimension table containing information about comment activity on workbooks and elements, including a full transcript, attachments, and mentioned users.

For more information, see the Sigma Shared metadata reference in [Audit log events and metadata](https://help.sigmacomputing.com/docs/audit-log-events-and-metadata#sigma-shared-metadata-reference).

## API

### Allowlist IP addresses for API access (Beta)

Restrict access to the Sigma API for your organization by adding IP addresses and IP address ranges using CIDR notation to an allowlist. With an allowlist configured, only users making API requests from allowed IP addresses can make successful requests.

For more details, see [Restrict API access by IP address (Beta)](https://help.sigmacomputing.com/docs/restrict-api-access-by-ip-address).

## Functions and calculations

### Get additional formula guidance

When you write formulas in workbooks and data models, additional guidance is now available to help. If guidance is available, a wavy underline appears. Hover over the highlight to see a tip or a warning that your results might not be what you expect, and select **Apply formula** to update your formula with one click.

## Workbook elements

### Add custom data labels to area, bar, line, scatter, and combo charts

Select one or more columns to add custom data labels to area, bar, line, scatter, and combo charts.

See [Display chart data labels](https://help.sigmacomputing.com/docs/display-chart-data-labels).

### Customize chart and formatting color scales (Beta)

You can now create custom color scales to use when formatting chart colors or conditional formatting for tables. Create a custom color scale for an organization theme, workbook theme, or for a specific data element.

For more details, see [Add a custom color scale (Beta)](https://help.sigmacomputing.com/docs/add-a-custom-color-scale).

## Workbook features

### Action trigger configurations for tables, pivot tables, and input tables

Tables, pivot tables, and input tables now support more ways to determine when and how user interaction triggers action sequences:

* In the **When selecting cells in column** field, select **Any column** to trigger an action sequence when a user selects a cell in any column.
* In the element's **Action** panel, click **More**, then select or deselect **Allow keyboard to trigger actions** to control whether keyboard navigation within the element can trigger action sequences. When the option displays a checkmark, keyboard navigation and pointer events (e.g., mouse clicks) can trigger the action sequences. When the option doesn't display a checkmark, only pointer events can trigger them.

Keyboard navigation as a trigger interaction can disrupt the user experience. For example, if the element's action sequences include actions that open links or other workbooks, a user can be unintentionally navigated away from their current task. This can be particularly disruptive if the action sequence can be triggered by selecting a cell in any column.

Consider allowing keyboard navigation to trigger actions only when it facilitates the configured action sequences and is unlikely to interfere with usability.

### Option to open workbook templates with actions

When configuring an **[Open Sigma doc](https://help.sigmacomputing.com/docs/create-actions-that-navigate-to-destinations#open-a-workbook-or-template)** action, you can now select a workbook template as the destination.

## Bugfixes

* You can now select specific tables in a data model when adding or changing data sources for an element.
* Sigma no longer allows users to create input tables on an OAuth connection when an input table edit log destination is not configured.