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[@salesforce/b2c-tooling-sdk](../../modules.md) / [clients](../index.md) / findUserByLogin

# Function: findUserByLogin()

> **findUserByLogin**(`client`, `login`, `expand?`): `Promise`\<\{ \} \| `undefined`\>

Defined in: [packages/b2c-tooling-sdk/src/clients/am-api.ts:453](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/clients/am-api.ts#L453)

Finds a user by login (email) using the dedicated search endpoint.

## Parameters

### client

[`AccountManagerUsersClient`](../type-aliases/AccountManagerUsersClient.md)

Account Manager Users client

### login

`string`

User login (email)

### expand?

(`"roles"` \| `"organizations"`)[]

Optional array of fields to expand (organizations, roles)

## Returns

`Promise`\<\{ \} \| `undefined`\>

User if found, undefined if not found

## Throws

Error if request fails