Clarify that attribute requirement levels apply to instrumentation li…

…braries (#3289) Based on discussion in semconv stability WG Closes #3283 ## Changes Clarifies that attribute requirement levels apply to instrumentation. And that, because users can transform their telemetry in a number of ways (e.g. metric views, span processors, and collector transformations), these requirement levels cannot be relied on by telemetry consumers. --------- Co-authored-by: Liudmila Molkova <[email protected]> Co-authored-by: Bogdan Drutu <[email protected]>
jack-berg · Nov 16, 2023 · 8d92c20 · 8d92c20
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diff --git a/specification/common/attribute-requirement-level.md b/specification/common/attribute-requirement-level.md
@@ -19,6 +19,8 @@
 
 _This section applies to Log, Metric, Resource, and Span, and describes requirement levels for attributes defined in semantic conventions._
 
+Attribute requirement levels apply to the [instrumentation library](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/glossary.md#instrumentation-library).
+
 The following attribute requirement levels are specified:
 
 - [Required](#required)