Get HL7v2 message

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Get a message in an HL7v2 store.

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For detailed documentation that includes this code sample, see the following:

Code sample


import (

	healthcare ""

// getHL7V2Message gets an HL7V2 message.
func getHL7V2Message(w io.Writer, projectID, location, datasetID, hl7V2StoreID, hl7V2MessageID string) error {
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %v", err)

	messagesService := healthcareService.Projects.Locations.Datasets.Hl7V2Stores.Messages

	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/hl7V2Stores/%s/messages/%s", projectID, location, datasetID, hl7V2StoreID, hl7V2MessageID)
	message, err := messagesService.Get(name).Do()
	if err != nil {
		return fmt.Errorf("Get: %v", err)

	rawData, err := base64.StdEncoding.DecodeString(message.Data)
	if err != nil {
		return fmt.Errorf("base64.DecodeString: %v", err)

	fmt.Fprintf(w, "Got HL7V2 message.\n")
	fmt.Fprintf(w, "Raw length: %d.\n", len(rawData))
	fmt.Fprintf(w, "Parsed data:\n")
	parsedJSON, _ := json.MarshalIndent(message.ParsedData, "", "  ")
	fmt.Fprintf(w, "%s", parsedJSON)
	return nil


import java.util.Collections;

public class HL7v2MessageGet {
  private static final String MESSAGE_NAME =
  private static final JsonFactory JSON_FACTORY = new JacksonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void hl7v2MessageGet(String hl7v2MessageName) throws IOException {
    // String hl7v2MessageName =
    //    String.format(
    //        MESSAGE_NAME, "project-id", "region-id", "dataset-id", "hl7v2-id", "message-id");

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    // Create request and configure any parameters.
    Messages.Get request =

    // Execute the request and process the results.
    Message store = request.execute();
    System.out.println("HL7v2 message retrieved: \n" + store.toPrettyString());

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see
    GoogleCredentials credential =

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)


const google = require('@googleapis/healthcare');
const healthcare ={
  version: 'v1',
  auth: new google.auth.GoogleAuth({
    scopes: [''],

const getHl7v2Message = async () => {
  // TODO(developer): uncomment the lines beginning with 'const' before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  // const datasetId = 'my-dataset';
  // const hl7v2StoreId = 'my-hl7v2-store';
  // The value for hl7v2MessageId is the server-generated ID returned when you
  // created or ingested the HL7v2 message in an HL7v2 store.
  // const hl7v2MessageId = 'qCnewKno44gTt3oBn4dQ0u8ZA23ibDdV9GpifD2E=';
  const name = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/hl7V2Stores/${hl7v2StoreId}/messages/${hl7v2MessageId}`;
  // Use the 'FULL' enum to include all of the message fields in the response.
  const view = 'FULL';
  const request = {name, view};

  const hl7v2Message =
    await healthcare.projects.locations.datasets.hl7V2Stores.messages.get(
  console.log('Got HL7v2 message:\n',;



def get_hl7v2_message(
    project_id, location, dataset_id, hl7v2_store_id, hl7v2_message_id
    """Gets an HL7v2 message.

    before running the sample."""
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery

    api_version = "v1"
    service_name = "healthcare"
    # Returns an authorized API client by discovering the Healthcare API
    # and using GOOGLE_APPLICATION_CREDENTIALS environment variable.
    client =, api_version)

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'  # replace with your GCP project ID
    # location = 'us-central1'  # replace with the parent dataset's location
    # dataset_id = 'my-dataset'  # replace with the HL7v2 store's parent dataset ID
    # hl7v2_store_id = 'my-hl7v2-store'  # replace with the HL7v2 store's ID
    # hl7v2_message_id = '2yqbdhYHlk_ucSmWkcKOVm_N0p0OpBXgIlVG18rB-cw='  # replace with the HL7v2 message ID that was returned by the server
    hl7v2_parent = "projects/{}/locations/{}".format(project_id, location)
    hl7v2_message_name = "{}/datasets/{}/hl7V2Stores/{}/messages/{}".format(
        hl7v2_parent, dataset_id, hl7v2_store_id, hl7v2_message_id

    msgs = client.projects().locations().datasets().hl7V2Stores().messages()
    message = msgs.get(name=hl7v2_message_name).execute()

    print("Name: {}".format(message.get("name")))
    print("Data: {}".format(message.get("data")))
    print("Creation time: {}".format(message.get("createTime")))
    print("Sending facility: {}".format(message.get("sendFacility")))
    print("Time sent: {}".format(message.get("sendTime")))
    print("Message type: {}".format(message.get("messageType")))
    print("Patient IDs:")
    patient_ids = message.get("patientIds")
    for patient_id in patient_ids:
        print("\tPatient value: {}".format(patient_id.get("value")))
        print("\tPatient type: {}".format(patient_id.get("type")))
    print("Labels: {}".format(message.get("labels")))

    return message

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