Metrics SDK - require meter information to be available for exporter (o…

…pen-telemetry#2040) * Metrics SDK - require meter information to be available for exporter * update changelog
criteo-forks · Oct 25, 2021 · a49a41f · a49a41f
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -25,6 +25,8 @@ release.
   ([#2007](https://github.com/open-telemetry/opentelemetry-specification/pull/2007))
 - Add environment variables for Periodic exporting MetricReader.
   ([#2038](https://github.com/open-telemetry/opentelemetry-specification/pull/2038))
+- Specify that the SDK must support exporters to access meter information.
+  ([#2040](https://github.com/open-telemetry/opentelemetry-specification/pull/2040))
 
 ### Logs
 

diff --git a/specification/metrics/sdk.md b/specification/metrics/sdk.md
@@ -709,6 +709,9 @@ Exports a batch of `Metrics`. Protocol exporters that will implement this
 function are typically expected to serialize and transmit the data to the
 destination.
 
+The SDK MUST provide a way for the exporter to get the [Meter](./api.md#meter)
+information (e.g. name, version, etc.) associated with each `Metric`.
+
 `Export` will never be called concurrently for the same exporter instance.
 `Export` can be called again only after the current call returns.