> You are reading the Docusign Developer Documentation. For clean Markdown of any page, append .md to the page URL.
>
> Documentation indexes by section:
> - APIs and SDKs: https://docusign.docs.buildwithfern.com/docs/llms.txt
> - Platform 101: https://docusign.docs.buildwithfern.com/platform/llms.txt
> - Extension Apps: https://docusign.docs.buildwithfern.com/extension-apps/llms.txt
> - Docusign CLI: https://docusign.docs.buildwithfern.com/docusign-cli/llms.txt
>
> Authentication (OAuth, JWT Grant, M2M): https://docusign.docs.buildwithfern.com/platform/auth
> Webhooks and Connect: https://docusign.docs.buildwithfern.com/platform/webhooks
>
> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
> MCP server: https://docusign.docs.buildwithfern.com/_mcp/server

# FormulaTab

[FormulaTab](/docs/salesforce/apex-toolkit-reference/formulatab.html)

[ReadWriteTab](/docs/salesforce/apex-toolkit-reference/readwritetab.html)

Description

`formula`[Calculated Fields](https://support.docusign.com/en/guides/ndse-user-guide-calculated-fields)

#### Properties

`formula`

[String](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

`dataLabel`

`Item1``Item2``TaxRate`<code />

[Calculated Fields](https://support.docusign.com/en/guides/ndse-user-guide-calculated-fields)

`hidden`

[Boolean](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

`true`

`roundDecimalPlaces`

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

### Methods

#### FormulaTab

[FormulaTab](/docs/salesforce/apex-toolkit-reference/formulatab.html)

Description

Constructs a Formula Tab

#### withFormula

[FormulaTab](/docs/salesforce/apex-toolkit-reference/formulatab.html)

[String](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

Description

`formula`

Returns

`formula`

Parameters

`formula`

[String](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

#### withHidden

[FormulaTab](/docs/salesforce/apex-toolkit-reference/formulatab.html)

[Boolean](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

Description

`hidden`

Returns

`hidden`

Parameters

`hidden`

[Boolean](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

`true`

#### withRoundDecimalPlaces

[FormulaTab](/docs/salesforce/apex-toolkit-reference/formulatab.html)

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

Description

`roundDecimalPlaces`

Returns

`roundDecimalPlaces`

Parameters

`roundDecimalPlaces`

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)