Adding requirement for ConsistentParentBased to allow customization.

open-telemetry · Dec 20, 2024 · 9cb5a78 · 9cb5a78
1 parent db169b3
commit 9cb5a78
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/oteps/0250-Composite_Samplers.md b/oteps/0250-Composite_Samplers.md
@@ -267,11 +267,13 @@ If the flag is not set:
 - The resulting THRESHOLD value is `null` (or equivalent).
 - The `IsAdjustedCountReliable` returns `false`.
 
-In all cases with valid parent context:
+By default, in all cases with valid parent context:
 
 - The `GetAttributes` function returns empty set.
 - The `UpdateTraceState` function returns its argument, without any modifications.
 
+However, `ConsistentParentBased` implementations SHOULD allow users to customize added Attributes as well as modify the trace state depending on whether the parent Span is local or remote.
+
 ### ConsistentAnyOf
 
 `ConsistentAnyOf` is a composite sampler which takes a non-empty list of ComposableSamplers (delegates) as the argument. The intention is to make a positive sampling decision if __any of__ the delegates would make a positive decision.