## What does Atlan crawl from Sigma?

URL: https://docs.atlan.com/apps/connectors/business-intelligence/sigma/references/what-does-atlan-crawl-from-sigma

> Atlan crawls and maps the following assets and properties from Sigma.

Atlan crawls and maps the following assets and properties from Sigma.

:::warning

Currently, Atlan only represents the assets marked with 🔀 in lineage.

:::

For your Sigma [workbooks](#workbooks-), Atlan also provides asset previews to help with quick discovery and give you the context you need.

## Workbooks 🔀

Atlan maps workbooks from Sigma to its `SigmaWorkbook` asset type.

| Source property | Atlan property | Where in Atlan |
| --- | --- | --- |
| `name` | `name` | asset profile and overview sidebar |
| `createdAt` | `sourceCreatedAt` | asset profile and properties sidebar |
| `updatedAt` | `sourceUpdatedAt` | asset profile and properties sidebar |
| `url` | `sourceURL` | overview sidebar |
| `description` | `description` | asset profile and overview sidebar |

## Pages 🔀

Atlan maps pages from Sigma to its `SigmaPage` asset type.

| Source property | Atlan property | Where in Atlan |
| --- | --- | --- |
| `title` | `name` | asset profile and overview sidebar |

## Data elements 🔀

Atlan maps table, pivot table, and visualization elements from Sigma to its `SigmaDataElement` asset type.

| Source property | Atlan property | Where in Atlan |
| --- | --- | --- |
| `displayName` | `name` | asset profile and overview sidebar |
| `type` | `type` | overview sidebar |

## Data element fields 🔀

Atlan maps table, pivot table, and visualization element fields from Sigma to its `SigmaDataElementField` asset type. If a data element field has a formula or expression, its referred to as a calculated field in the Atlan UI.

| Source property | Atlan property | Where in Atlan |
| --- | --- | --- |
| `displayName` | `name` | asset profile and overview sidebar |
| `formula` | `sigmaDataElementFieldFormula` | asset profile and overview sidebar |

## Datasets

Atlan maps datasets from Sigma to its `SigmaDataset` asset type.

| Source property | Atlan property | Where in Atlan |
| --- | --- | --- |
| `name` | `name` | asset profile and overview sidebar |
| `createdAt` | `sourceCreatedAt` | asset profile and properties sidebar |
| `updatedAt` | `sourceUpdatedAt` | asset profile and properties sidebar |
| `url` | `sourceURL` | overview sidebar |
| `description` | `description` | asset profile and overview sidebar |

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