Azure Functions Queue empty

Question

I am new to Azure. Forgive me if the question is basic. I have the following http trigger intended to stream messages to the Queue Storage.

import logging
import azure.functions as func
def main(req: func.HttpRequest, msg: func.Out[func.QueueMessage]) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')
    input_msg = req.params.get('message')
    logging.info(input_msg)
    msg.set(input_msg)

    return func.HttpResponse(status_code=200, body='GotIt')

Tested it Locally and;

Deployed it and it runs ok as well

However, when I check the queue it is empty;

Questions;

1. Why is the queue empty and what can I do to ensure it registers messages?
2. Is it not locking because my code is not writing messages?

Your help will be highly appreciated.

Answer 1

Update:

function.json

{
  "scriptFile": "__init__.py",
  "bindings": [
    {
      "authLevel": "anonymous",
      "type": "httpTrigger",
      "direction": "in",
      "name": "req",
      "methods": [
        "get",
        "post"
      ]
    },
    {
      "type": "http",
      "direction": "out",
      "name": "$return"
    },
    {
      "type": "queue",
      "direction": "out",
      "name": "msg",
      "queueName": "outqueue",
      "connection": "AzureStorageQueuesConnectionString"
    }
  ]
}

local.settings.json

{
  "IsEncrypted": false,
  "Values": {
    "AzureWebJobsStorage": "",
    "FUNCTIONS_WORKER_RUNTIME": "python",
    "AzureStorageQueuesConnectionString":"DefaultEndpointsProtocol=https;AccountName=0730bowmanwindow;AccountKey=xxxxxx;EndpointSuffix=core.windows.net"
  }
}

host.json

{
  "version": "2.0",
  "logging": {
    "applicationInsights": {
      "samplingSettings": {
        "isEnabled": true,
        "excludedTypes": "Request"
      }
    }
  },
  "extensionBundle": {
    "id": "Microsoft.Azure.Functions.ExtensionBundle",
    "version": "[1.*, 1.2.0)"
  }
}

Original Answer:

I have do a simple test. Below code works fine on my side, you can have a try:

import logging

import azure.functions as func


def main(req: func.HttpRequest,msg: func.Out[str]) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')
    input_msg = req.params.get('message')
    logging.info(input_msg)
    msg.set(input_msg)
    return func.HttpResponse(
            "This is a test.",
            status_code=200
    )

This is the doc:

https://learn.microsoft.com/en-us/azure/azure-functions/functions-bindings-storage-queue-output?tabs=python#example

Send:

Queue Storage: