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[@salesforce/b2c-tooling-sdk](../../../modules.md) / [operations/bm-users](../index.md) / updateBmUser

# Function: updateBmUser()

> **updateBmUser**(`instance`, `login`, `changes`): `Promise`\<\{ \}\>

Defined in: [packages/b2c-tooling-sdk/src/operations/bm-users/users.ts:179](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/5f9b348d598ad92ddf670da42e944b204395bdc8/packages/b2c-tooling-sdk/src/operations/bm-users/users.ts#L179)

Updates an existing user. The `locked` flag and the user `password` cannot be updated
with this resource.

## Parameters

### instance

[`B2CInstance`](../../../instance/classes/B2CInstance.md)

B2C instance

### login

`string`

User login

### changes

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

Fields to update

## Returns

`Promise`\<\{ \}\>

Updated user