async fn get_evaluation(
        &self,
        input: GetEvaluationInput,
    ) -> Result<GetEvaluationOutput, RusotoError<GetEvaluationError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "AmazonML_20141212.GetEvaluation");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, GetEvaluationError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<GetEvaluationOutput, _>()
    }
<p>Returns an <code>Evaluation</code> that includes metadata as well as the current status of the <code>Evaluation</code>.</p>
rusoto/services/machinelearning/src/generated.rs