> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# BaseInputsRoleUnion - TypeScript SDK

> BaseInputsRoleUnion type definition

<Warning>
  The TypeScript SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/typescript-sdk/issues).
</Warning>

## Supported Types

### `models.BaseInputsRoleUser`

```typescript lines theme={null}
const value: models.BaseInputsRoleUser = "user";
```

### `models.BaseInputsRoleSystem`

```typescript lines theme={null}
const value: models.BaseInputsRoleSystem = "system";
```

### `models.BaseInputsRoleAssistant`

```typescript lines theme={null}
const value: models.BaseInputsRoleAssistant = "assistant";
```

### `models.BaseInputsRoleDeveloper`

```typescript lines theme={null}
const value: models.BaseInputsRoleDeveloper = "developer";
```