async fn describe_loa(
        &self,
        input: DescribeLoaRequest,
    ) -> Result<Loa, RusotoError<DescribeLoaError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "OvertureService.DescribeLoa");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DescribeLoaError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<Loa, _>()
    }
<p>Gets the LOA-CFA for a connection, interconnect, or link aggregation group (LAG).</p> <p>The Letter of Authorization - Connecting Facility Assignment (LOA-CFA) is a document that is used when establishing your cross connect to AWS at the colocation facility. For more information, see <a href="https://docs.aws.amazon.com/directconnect/latest/UserGuide/Colocation.html">Requesting Cross Connects at AWS Direct Connect Locations</a> in the <i>AWS Direct Connect User Guide</i>.</p>
rusoto/services/directconnect/src/generated.rs