async fn add_attachments_to_set(
        &self,
        input: AddAttachmentsToSetRequest,
    ) -> Result<AddAttachmentsToSetResponse, RusotoError<AddAttachmentsToSetError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "AWSSupport_20130415.AddAttachmentsToSet");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, AddAttachmentsToSetError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<AddAttachmentsToSetResponse, _>()
    }
<p><p>Adds one or more attachments to an attachment set. </p> <p>An attachment set is a temporary container for attachments that you add to a case or case communication. The set is available for 1 hour after it&#39;s created. The <code>expiryTime</code> returned in the response is when the set expires. </p> <note> <ul> <li> <p>You must have a Business or Enterprise Support plan to use the AWS Support API. </p> </li> <li> <p>If you call the AWS Support API from an account that does not have a Business or Enterprise Support plan, the <code>SubscriptionRequiredException</code> error message appears. For information about changing your support plan, see <a href="http://aws.amazon.com/premiumsupport/">AWS Support</a>.</p> </li> </ul> </note></p>
rusoto/services/support/src/generated.rs