stream, _ := userApiService.CreateAuthnBrowserWithWalletChallenge(ctx, &v1.CreateAuthnBrowserWithWalletChallengeRequest{})
resp, _ := stream.Recv()

fmt.Println(resp)

const createauthnbrowserwithwalletchallengerequest = new CreateAuthnBrowserWithWalletChallengeRequest();

const stream = service.createAuthnBrowserWithWalletChallenge(createauthnbrowserwithwalletchallengerequest)
stream.on("data", (value:CreateAuthnBrowserWithWalletChallengeResponse|null) => {
    console.log("received ", value);
})

using System;
using Grpc.Core;
using System.Threading.Tasks;
using UserApi.V1;

namespace main
{
  class Program
  {
    static void Main(string[] args)
    {
      Channel channel = new Channel("user-mgmt.YOUR_SANDBOX_ID.knoxnetworks.io:443", ChannelCredentials.Insecure); 
      var client = new UserApiService.UserApiServiceClient(channel); 
      var headers = new Metadata();
      var createAuthnBrowserWithWalletChallengeRequest = new CreateAuthnBrowserWithWalletChallengeRequest{};
      using(var call = client.CreateAuthnBrowserWithWalletChallenge(createAuthnBrowserWithWalletChallengeRequest, headers))
      {
        var responseReaderTask = Task.Run(async () =>
        {
          while (await call.ResponseStream.MoveNext())
          {
            Console.WriteLine("Response: " + call.ResponseStream.Current);
          }
        });
        responseReaderTask.Wait();
      }
      channel.ShutdownAsync().Wait();
    }
  }
}

package demo;

import io.grpc.Channel;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import java.util.Iterator;
import user_api.v1.User.CreateAuthnBrowserWithWalletChallengeRequest;
import user_api.v1.User.CreateAuthnBrowserWithWalletChallengeResponse;
import user_api.v1.UserApiServiceGrpc;

public class App {
  public static void main(String[] args) {
    ManagedChannel channel = ManagedChannelBuilder
      .forAddress("user-mgmt.YOUR_SANDBOX_ID.knoxnetworks.io", 443)
      .usePlaintext()
      .build();
    UserApiServiceGrpc.UserApiServiceBlockingStub blockStub =
        UserApiServiceGrpc.newBlockingStub(channel);
    
    CreateAuthnBrowserWithWalletChallengeRequest req_CreateAuthnBrowserWithWalletChallengeRequest =
        CreateAuthnBrowserWithWalletChallengeRequest.newBuilder()
          .build();
    Iterator resp = blockStub.createAuthnBrowserWithWalletChallenge(req_CreateAuthnBrowserWithWalletChallengeRequest);
    while (resp.hasNext()) {
      System.out.println(resp.next());
    }
    channel.shutdown();
  }
}

const createauthnbrowserwithwalletchallengerequest = new CreateAuthnBrowserWithWalletChallengeRequest();

const stream = service.createAuthnBrowserWithWalletChallenge(createauthnbrowserwithwalletchallengerequest)
stream.on("data", (value) => {
    console.log("received ", value);
})

extern crate grpc-sdks;
use tonic::transport::Channel;

use grpc-sdks::user_api::v1::user_api_service_client::UserApiServiceClient;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
  let channel = Channel::from_static("user-mgmt.YOUR_SANDBOX_ID.knoxnetworks.io")
    .connect()
    .await?;
  let mut client = UserApiServiceClient::new(channel); 

  let request = tonic::Request::new(
    ());
// sending request and waiting for response
  let response = client.create_authn_browser_with_wallet_challenge(request).await?.into_inner();
  println!("RESPONSE={:?}", response);
  Ok(())
}

package app

import io.grpc.ManagedChannelBuilder
import user_api.v1.User.CreateAuthnBrowserWithWalletChallengeRequest
import user_api.v1.User.CreateAuthnBrowserWithWalletChallengeResponse
import user_api.v1.UserApiServiceGrpc

fun main() {
    val channel = ManagedChannelBuilder
            .forAddress("user-mgmt.YOUR_SANDBOX_ID.knoxnetworks.io", 443)
            .usePlaintext()
            .build()
    var blockStub = UserApiServiceGrpc.newBlockingStub(channel)
    
    val req_CreateAuthnBrowserWithWalletChallengeRequest = CreateAuthnBrowserWithWalletChallengeRequest.newBuilder()
          .build()
    val resp = blockStub.createAuthnBrowserWithWalletChallenge(req_CreateAuthnBrowserWithWalletChallengeRequest)
    while (resp.hasNext()) {
      println(resp.next())
    }
    channel.shutdown()
}

{
  "did_start": {
    "nonce": "NONCE"
  }
}