# `SecuritySamlAuthenticateResponse` [interface-SecuritySamlAuthenticateResponse] | Name | Type | Description | | - | - | - | | `access_token` | string | The access token that was generated by Elasticsearch. | | `expires_in` | [integer](./integer.md) | The amount of time (in seconds) left until the token expires. | | `realm` | string | The name of the realm where the user was authenticated. | | `refresh_token` | string | The refresh token that was generated by Elasticsearch. | | `username` | string | The authenticated user's name. |