# PostUsersSignInDataRequest ## Fields | Field | Type | Required | Description | Example | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `clientID` | *Optional* | :heavy_minus_sign: | The unique identifier for the client application
This is used to track the client application and its usage
(UUID, serial number, or other number unique per device)
| gcgzw5rz2xovp84b4vha3a40 | | `clientName` | *Optional* | :heavy_minus_sign: | N/A | Plex Web | | `deviceName` | *Optional* | :heavy_minus_sign: | N/A | Linux | | `clientVersion` | *Optional* | :heavy_minus_sign: | N/A | 4.133.0 | | `clientPlatform` | *Optional* | :heavy_minus_sign: | N/A | Chrome | | `requestBody` | [Optional](../../models/operations/PostUsersSignInDataRequestBody.md) | :heavy_minus_sign: | Login credentials | |