> Documentation index: [Saleor](/llms.txt) · [This section](/api-reference/authentication/llms.txt)
> Source: https://docs.saleor.io/api-reference/authentication/mutations/external-authentication-url

# externalAuthenticationUrl Mutation

Prepare external authentication URL for user by custom plugin.

```graphql
externalAuthenticationUrl(
  input: JSONString!
  pluginId: String!
): ExternalAuthenticationUrl
```

Details

```graphql
type ExternalAuthenticationUrl {
  authenticationData: JSONString
  accountErrors: [AccountError!]! @deprecated
  errors: [AccountError!]!
}
```

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### Arguments

<a id="input"></a>

#### [`input`](#input) ● [`JSONString!`](/api-reference/miscellaneous/scalars/jsonstring.md)

The data required by plugin to create external authentication url.

<a id="plugin-id"></a>

#### [`pluginId`](#plugin-id) ● [`String!`](/api-reference/miscellaneous/scalars/string.md)

The ID of the authentication plugin.

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### Type

<a id="externalauthenticationurl"></a>

#### [`ExternalAuthenticationUrl`](/api-reference/authentication/objects/external-authentication-url.md)

Prepare external authentication URL for user by custom plugin.