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[@salesforce/b2c-tooling-sdk](../../../modules.md) / [operations/mrt](../index.md) / listAccessControlHeadersWithBackend

# Function: listAccessControlHeadersWithBackend()

> **listAccessControlHeadersWithBackend**(`options`): `Promise`\<[`MrtAccessControlHeadersView`](../interfaces/MrtAccessControlHeadersView.md)\>

Defined in: [packages/b2c-tooling-sdk/src/operations/mrt/access-control.ts:644](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/8fc17d8708d025c83fb0c44ca73198a200605153/packages/b2c-tooling-sdk/src/operations/mrt/access-control.ts#L644)

Lists access control headers, routing to the SCAPI or legacy backend per the
given preference (with safe `auto` fallback). Returns normalized rows.

## Parameters

### options

[`ListAccessControlHeadersBackendOptions`](../interfaces/ListAccessControlHeadersBackendOptions.md)

## Returns

`Promise`\<[`MrtAccessControlHeadersView`](../interfaces/MrtAccessControlHeadersView.md)\>