> This page is for NeMo Relay, version v0.11.0.
> For other versions, use one of these documentation indexes:
> - Latest (v0.10.4) (default): https://docs.nvidia.com/nemo/relay/latest/llms.txt
> - dev: https://docs.nvidia.com/nemo/relay/dev/llms.txt
> - v0.11.0: https://docs.nvidia.com/nemo/relay/v0.11.0/llms.txt
> - v0.10.4: https://docs.nvidia.com/nemo/relay/v0.10.4/llms.txt
> - v0.9.4: https://docs.nvidia.com/nemo/relay/v0.9.4/llms.txt
> - v0.8.4: https://docs.nvidia.com/nemo/relay/v0.8.4/llms.txt
> - v0.7.3: https://docs.nvidia.com/nemo/relay/v0.7.3/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# Struct Observation

> Borrowed observation. Empty optional strings mean absent values.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

<pre />

Borrowed observation. Empty optional strings mean absent values.

## Fields

### `code: u32`

One-based code position in the declaration.

### `outcome: u32`

0 = unspecified, 1 = success, 2 = failure.

### `severity: u32`

0 = trace, 1 = debug, 2 = info, 3 = warning, 4 = error.

### `count: u64`

Positive occurrence delta.

### `failure_class: Bytes`

Canonical class name, or empty.

### `detail: Bytes`

Diagnostic-only UTF-8 detail. Core reports retention truncation.

### `request_id: Bytes`

Optional correlation; never an aggregation key.

### `session_id: Bytes`

Optional correlation; never an aggregation key.