[Python] How to connect Azure Function App with Event Grid

I'm trying to connect an Azure Function app, the premium one, that have the code uploaded in a docker image, that is uplod to the container registry. When I try to make a subscription in the Event Grid Topic, and connect it to the Function App, I condigue the endpoint to the Function App, and the function that I want to trigger, but doesn't arrive to the function app. It gives me this error: "message": "outcome=NotFound

This is my Dockerfile for the function app:

FROM mcr.microsoft.com/azure-functions/python:4-python3.11
ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
AzureFunctionsJobHost__Logging__Console__IsEnabled=true

COPY ./src /home/site/wwwroot
COPY ./requirements.txt /home/site/wwwroot
COPY ./requirements_function_app.txt /home/site/wwwroot

RUN apt-get update
RUN apt-get install -y chromium chromium-driver
RUN apt-get clean
RUN rm -rf /var/lib/apt/lists/*

WORKDIR /home/site/wwwroot

RUN mkdir /home/site/wwwroot/process_url
RUN mv /home/site/wwwroot/azure_functions/process_url.py /home/site/wwwroot/process_url/process_url.py
RUN mv /home/site/wwwroot/azure_functions/function_process_url.json /home/site/wwwroot/process_url/function.json
RUN mkdir /home/site/wwwroot/delete_url
RUN mv /home/site/wwwroot/azure_functions/delete_url.py /home/site/wwwroot/delete_url/delete_url.py
RUN mv /home/site/wwwroot/azure_functions/function_delete_url.json /home/site/wwwroot/delete_url/function.json

RUN ls

RUN pip install --no-cache-dir -r requirements.txt
RUN pip install --no-cache-dir -r requirements_function_app.txt


And this is my azure function app:

import azure.functions as func
import logging
import json
from dotenv import load_dotenv
load_dotenv()

from utils.executor_functions import process_urls

app = func.FunctionApp(http_auth_level=func.AuthLevel.ANONYMOUS)

LOGGER = logging.getLogger()
LOGGER.setLevel(logging.DEBUG)

@app.function_name(name="process_url")
@app.event_grid_trigger(arg_name="azeventgrid")
async def process_url_fa(azeventgrid: func.EventGridEvent) -> func.HttpResponse:
logging.info('Python HTTP trigger function processed a request.')


And this the JSON:

{
"scriptFile": "process_url.py",
"bindings": [
{
"authLevel": "anonymous",
"type": "eventGridTrigger",
"direction": "in",
"name": "process_url"
},
{
"type": "http",
"direction": "out",
"name": "$return"
}
]
}


I tried with the eventgrid endpoint that appears in Azure Portal, in the EventGrid resource

Any ideas to try?

I tried to connect it via webHook and with the function app url but doesn't work. I don't know where is the problem.

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