> ## 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.

# UpdatePrivateEndpointSettingsRequestReasoning

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `ReturnMechanism` | optionalnullable.OptionalNullable\[[components.PrivateEndpointReasoningReturnMechanism](../../models/components/privateendpointreasoningreturnmechanism.mdx)] | ➖ | Where the upstream puts reasoning tokens in its response: `reasoning` and `reasoning-content` are response fields, `content-string` is inline in the message, `none` returns no reasoning. `null` uses the provider default. | reasoning |
| `Supported` | `*bool` | ➖ | Whether requests with `reasoning` route to this endpoint. | true |