> This page is for NeMo Fabric, version Latest (v0.6.0) (default).
> For other versions, use one of these documentation indexes:
> - Latest (v0.6.0) (default): https://docs.nvidia.com/nemo/fabric/latest/llms.txt
> - dev: https://docs.nvidia.com/nemo/fabric/dev/llms.txt
> - v0.6.0: https://docs.nvidia.com/nemo/fabric/v0.6.0/llms.txt
> - v0.5.0: https://docs.nvidia.com/nemo/fabric/v0.5.0/llms.txt
> - v0.4.0: https://docs.nvidia.com/nemo/fabric/v0.4.0/llms.txt
> - v0.3.0: https://docs.nvidia.com/nemo/fabric/v0.3.0/llms.txt
> - v0.2.0: https://docs.nvidia.com/nemo/fabric/v0.2.0/llms.txt
> - v0.1.1: https://docs.nvidia.com/nemo/fabric/v0.1.1/llms.txt
> - v0.1.0: https://docs.nvidia.com/nemo/fabric/v0.1.0/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/fabric/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/fabric/_mcp/server.

# Struct Check Observation

> One attempted stage in evaluation order.

Generated from `cargo doc --no-deps -p nemo-fabric-core`.

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One attempted stage in evaluation order.

## Fields

### `name: CheckStage`

Stage that was attempted.

### `outcome: CheckOutcome`

Stage outcome.

### `reason_code: Option<CheckReason>`

Fixed diagnostic or null on pass.

### `source: CheckSource`

Fixed evidence source.

### `observed_at: Option<String>`

Fresh observation time, or null if unobserved.

## Trait Implementations

### `impl Clone for CheckObservation`

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#### `clone`

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#### `clone_from`

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### `impl Debug for CheckObservation`

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#### `fmt`

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### `impl<'de> Deserialize<'de> for CheckObservation`

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#### `deserialize`

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### `impl JsonSchema for CheckObservation`

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#### `schema_name`

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#### `schema_id`

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#### `json_schema`

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#### `inline_schema`

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### `impl PartialEq for CheckObservation`

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#### `eq`

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#### `ne`

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### `impl Serialize for CheckObservation`

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#### `serialize`

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### `impl StructuralPartialEq for CheckObservation`

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