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GenAiResponseRecorder

adk_rust::telemetry::semconv

Struct GenAiResponseRecorder 

Source 
pub struct GenAiResponseRecorder;
Available on crate features genai-semconv and telemetry only.
Expand description

Records response-time attributes on the current span.

Call after receiving the model response to populate response model, finish reasons, and token usage.

§Example

use adk_telemetry::semconv::GenAiResponseRecorder;
use adk_telemetry::LlmUsage;

// After receiving model response:
GenAiResponseRecorder::record_response_model("gemini-2.5-flash-001");
GenAiResponseRecorder::record_finish_reasons(&["stop"]);
GenAiResponseRecorder::record_usage(&LlmUsage {
    input_tokens: 100,
    output_tokens: 50,
    total_tokens: 150,
    ..Default::default()
});

Implementations§

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impl GenAiResponseRecorder

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pub fn record_response_model(model: &str)

Record the response model (may differ from request model).

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pub fn record_finish_reasons(reasons: &[&str])

Record finish reasons as a comma-separated string.

OTel semconv specifies this as a string array; tracing encodes as CSV.

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pub fn record_usage(usage: &LlmUsage)

Record token usage (delegates to existing record_llm_usage).

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