---
schema_version: "1"
id: 74be887aa198a3aad217014d76456113dc6fc96d1366ebff25b730cbf0eaafb7
title: ConnectApi.NamedCredentialCalloutOptionsInput
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/apexref/apex_connectapi_input_named_credential_callout_options.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_named_credential_callout_options.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: db836099fb83da6ed31e2ac98748f156c7d74a8e5e00ff1e8bb5a03a20263721
description: Named credential callout options input.
---
# ConnectApi.NamedCredentialCalloutOptionsInput

Named credential callout options input.

| Property | Type | Description | Required or Optional | Available Version |
| --- | --- | --- | --- | --- |
| allowMergeFields​InBody | Boolean | Specifies whether to allow merge fields in the HTTP body (true) or not (false). | Required | 58.0 |
| allowMergeFields​InHeader | Boolean | Specifies whether to allow merge fields in the HTTP header (true) or not (false). | Required | 58.0 |
| generate​Authorization​Header | Boolean | Specifies whether to generate an authorization header (true) or not (false). | Required | 58.0 |

#### See Also

- [ConnectApi.NamedCredentialInput](https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_connectapi_input_named_credential.htm "Input used to create or update a named credential.")