> 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 Metric Envelope

> Payload stored in a mark using `METRIC_DATA_SCHEMA_NAME`.

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`.

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Payload stored in a mark using [`METRIC_DATA_SCHEMA_NAME`](/reference/api/rust-library-reference/nemo-relay-worker/constant-metric-data-schema-name).

## Fields

### `measurements: Vec<MetricMeasurement>`

Metric recording operations that must be accepted or rejected atomically.

## Implementations

### `impl MetricEnvelope`

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#### `builder`

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Create a builder for building `MetricEnvelope`. On the builder, call `.measurements(...)` to set the values of the fields. Finally, call `.build()` to create the instance of `MetricEnvelope`.

### `impl MetricEnvelope`

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#### `validate`

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Validate every measurement and their shared instrument descriptors.

##### Errors

Returns a \[`MetricValidationError`] when any field violates the Relay metric schema. The complete envelope must be rejected on error.

#### `validated_measurements`

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Parse this wire envelope into metric measurements safe for export.

##### Errors

Returns a \[`MetricValidationError`] when any field violates the Relay metric schema. The complete envelope is rejected on error.

## Trait Implementations

### `impl Clone for MetricEnvelope`

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#### `clone`

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#### `clone_from`

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### `impl Debug for MetricEnvelope`

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#### `fmt`

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

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#### `deserialize`

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### `impl PartialEq for MetricEnvelope`

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#### `eq`

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#### `ne`

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### `impl Serialize for MetricEnvelope`

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#### `serialize`

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### `impl StructuralPartialEq for MetricEnvelope`

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