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Fix rpc examples to include grpc namespace #3211

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Feb 15, 2023
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Fix rpc examples to include grpc namespace #3211

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4 changes: 2 additions & 2 deletions specification/trace/semantic_conventions/rpc.md
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Expand Up @@ -207,8 +207,8 @@ The [Span Status](../api.md#set-status) MUST be left unset for an `OK` gRPC stat

| Attribute | Type | Description | Examples | Requirement Level |
|-------------------------------|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------|-------------------|
| `rpc.grpc.request.metadata.<key>` | string[] | gRPC request metadata, `<key>` being the normalized gRPC Metadata key (lowercase, with `-` characters replaced by `_`), the value being the metadata values. [1] | `rpc.request.metadata.my_custom_metadata_attribute=["1.2.3.4", "1.2.3.5"]` | Optional |
| `rpc.grpc.response.metadata.<key>` | string[] | gRPC response metadata, `<key>` being the normalized gRPC Metadata key (lowercase, with `-` characters replaced by `_`), the value being the metadata values. [1] | `rpc.response.metadata.my_custom_metadata_attribute=["attribute_value"]` | Optional |
| `rpc.grpc.request.metadata.<key>` | string[] | gRPC request metadata, `<key>` being the normalized gRPC Metadata key (lowercase, with `-` characters replaced by `_`), the value being the metadata values. [1] | `rpc.grpc.request.metadata.my_custom_metadata_attribute=["1.2.3.4", "1.2.3.5"]` | Optional |
| `rpc.grpc.response.metadata.<key>` | string[] | gRPC response metadata, `<key>` being the normalized gRPC Metadata key (lowercase, with `-` characters replaced by `_`), the value being the metadata values. [1] | `rpc.grpc.response.metadata.my_custom_metadata_attribute=["attribute_value"]` | Optional |

**[1]:** Instrumentations SHOULD require an explicit configuration of which metadata values are to be captured.
Including all request/response metadata values can be a security risk - explicit configuration helps avoid leaking sensitive information.
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