---
editLink: false
lastUpdated: false
---

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

# Function: getAccessControlHeaderScapi()

> **getAccessControlHeaderScapi**(`conn`, `params`): `Promise`\<\{ `header`: [`MrtAccessControlHeaderView`](../interfaces/MrtAccessControlHeaderView.md); `raw`: `unknown`; \}\>

Defined in: [packages/b2c-tooling-sdk/src/operations/mrt/access-control.ts:515](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/8fc17d8708d025c83fb0c44ca73198a200605153/packages/b2c-tooling-sdk/src/operations/mrt/access-control.ts#L515)

Fetches a single access control header by ID via the SCAPI MRT Environments
API. The value is returned masked.

## Parameters

### conn

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

### params

#### accessControlHeaderId

`string`

#### environmentId

`string`

#### storefrontId

`string`

## Returns

`Promise`\<\{ `header`: [`MrtAccessControlHeaderView`](../interfaces/MrtAccessControlHeaderView.md); `raw`: `unknown`; \}\>

## Throws

carrying the HTTP status on a non-2xx response.