scwhittle commented on code in PR #36963:
URL: https://github.com/apache/beam/pull/36963#discussion_r2589173690
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model/fn-execution/src/main/proto/org/apache/beam/model/fn_execution/v1/beam_fn_api.proto:
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@@ -761,6 +761,8 @@ message Elements {
// extensible and backward compatible
message ElementMetadata {
optional DrainMode.Enum drain = 1;
+ optional string traceparent = 2;
Review Comment:
Can some comments be added on what they are and/or link to doc? I'm guessing
parent is some id? but what is trace state? Should it be an enum? Should either
of these be bytes?
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