Passing data to function does not work using the provided command

Question

Passing data to function does not work using the provided command

Royer, Alexis 20

Hi,
in Exercise - Add logic to the function app - Secure HTTP triggers
the data section of the following command never pass the name variable correctly to the function on the function app. it run but ignore the fact that a variable was passed.

is it still the proper command as of today? I've tried with different combinaison of single or double quote.. can't seems to find the proper usage.

curl --header "Content-Type: application/json" --header "x-functions-key: <your-function-key>" --request POST --data "{\"name\": \"Azure Function\"}" <your-https-url>

This question is related to the following Learning Module

Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-03T04:21:03.36+00:00
Hi Royer, Alexis,

Thank you for reaching out to Microsoft Q & A forum.

It looks like the issue may be due to a missing or incorrect function key or function URL. Please check the following:

1.Function Key: Make sure your function key is included in the x-functions-key header. You can find it in the Azure Portal under:

Function App > Your Function > Function Keys.

2.Function URL: Ensure you're using the correct function URL by navigating to:

Azure Portal > Function App > Your Function > Get Function URL.

Once you've verified these details, try running the following command with the correct values:

curl --header "Content-Type: application/json" \ --header "x-functions-key: YOUR_ACTUAL_FUNCTION_KEY" \ --request POST \ --data '{"name": "Azure Function"}' \ YOUR_ACTUAL_FUNCTION_URL

Additionally, you can check the Logs under Code + Test in the Azure Portal to see if the request is being received.

Please feel free to contact us if you have any additional questions.

If you have found the answer provided to be helpful, please click on the "Accept answer/Upvote" button so that it is useful for other members in the Microsoft Q&A community.
Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-04T04:03:28.4933333+00:00

Hi Royer, Alexis

I'm following up to see if you've had a chance to review my previous response. If it was helpful, please let me know by accepting the answer and upvoting it. Feel free to reach out if you encounter any issues.

Thank you.
Royer, Alexis 20 Reputation points

2025-02-04T14:49:19.94+00:00

Hi, thanks for your answers. it ignore the data passed. Even when i'm using the Test/Run instead of curl. it runs the function but ignore the name passed. it return "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response" like nothing was passed in the name var through the body.
Royer, Alexis 20 Reputation points

2025-02-04T14:51:46.4666667+00:00

Hi, thanks for your answer.

It does not work no matter if I'm using curl or the Test/Run.

It's ignoring the name var in the body.

it keep returning "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response."
Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-05T12:04:32.82+00:00
Hi Royer, Alexis,

Thank you for your message. I see that you're encountering issues when trying to pass the name variable to your function via the curl command.

Based on your command and the details you’ve provided; it seems that the issue may be due to a few key points:

1.Correct curl Command Syntax: It looks like there was a minor issue with the syntax in your curl command. The correct version should wrap the URL in quotes, like this:

curl --header "Content-Type: application/json" --header "x-functions-key: roZ1JivKlhsHJcxB0c7Nz3pyNBB8-axVbgFrT_jNmsf_AzFudcfaTA==" --request POST --data "{\"name\": \"Azure Function\"}" "https://RoyerAlexisfunction.azurewebsites.net/api/DriveGearTemperatureService?code=C1tpMcg6fIf-dhUgDhG0HXlGbKD1TLhH6WkuC68ariZxAzFuhSOKnw%3D%3D"

Notice the quotes around the entire URL — this ensures the command executes properly in the terminal.

2.JSON Format: Ensure that you're sending the correct JSON payload in the request body. For your exercise, the payload you're passing should look like this:

{ "Readings": [ { "driveGearId": 1, "timestamp": 1534263995, "temperature": 23 }, { "driveGearId": 3, "timestamp": 1534264048, "temperature": 45 }, { "driveGearId": 18, "timestamp": 1534264050, "temperature": 55 } ] }

This JSON data should be included in the body of the curl request. It seems that you might have missed adding this in your previous attempt.

3.Valid Function Key: Ensure that you're using the correct function key in the x-functions-key header. This key should be valid and match the one generated by your Azure Function app.

Once you update your curl command with the correct syntax and the proper JSON data in the body, the function should be able to process the incoming request and pass the name variable correctly.

We've tried everything on our end, and everything looks fine. Please find the screenshots attached for your reference:

Please feel free to contact us if you have any additional questions.

If you have found the answer provided to be helpful, please click on the "Accept answer/Upvote" button so that it is useful for other members in the Microsoft Q&A community.

Royer, Alexis 20

Hi,
I'll show you using the Run/Test so this will avoid potential CLI issue with the quote or double quote.I'm not talking about the Readings yet, just the basic of passing name through the body instead of the query.

Here is the input :

Below is the output, as you can see it ignored the name passed through the body:

User's image

For reference here is the templated function :

using namespace System.Net

# Input bindings are passed in via param block.
param($Request, $TriggerMetadata)

# Write to the Azure Functions log stream.
Write-Host "PowerShell HTTP trigger function processed a request."

# Interact with query parameters or the body of the request.
$name = $Request.Query.Name
if (-not $name) {
    $name = $Request.Body.Name
}

$body = "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response."

if ($name) {
    $body = "Hello, $name. This HTTP triggered function executed successfully."
}

# Associate values to output bindings by calling 'Push-OutputBinding'.
Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
    StatusCode = [HttpStatusCode]::OK
    Body = $body
})

Royer, Alexis 20 Reputation points

2025-02-07T17:50:43.3833333+00:00
Royer, Alexis 20 Reputation points

2025-02-07T17:55:33.55+00:00
I found the issue. The issue is that the function is case sensitive. Name variable should either be replaced with a minus "n" in the function like below, or pushed using uppercase "N" in the data json.

That's why if we follow the tutorial line by line, it won't works because in the function the "'N" is uppercase but in the json body it's lowercase "n".

$name = $Request.Query.Name if (-not $name) { $name = $Request.Body.name }

Pradeep M 6,650 Microsoft External Staff

Hi Royer, Alexis,

using namespace System.Net
# Input bindings are passed in via param block.
param($Request, $TriggerMetadata)
# Write to the Azure Functions log stream.
Write-Host "PowerShell HTTP trigger function processed a request."
# Interact with query parameters or the body of the request.
$name = $Request.Query.Name
if (-not $name) {
    $name = $Request.Body.Name
}
$body = "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response."
if ($name) {
    $body = "Hello, $name. This HTTP triggered function executed successfully."
}
# Associate values to output bindings by calling 'Push-OutputBinding'.
Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
    StatusCode = [HttpStatusCode]::OK
    Body = $body
})

Replace the above code with the following code (as per the exercise)

using namespace System.Net

param($Request, $TriggerMetadata)

Write-Host "Drive Gear Temperature Service triggered"

$readings = $Request.Body.Readings
if ($readings) {
    foreach ($reading in $readings) {
        if ($reading.temperature -le 25) {
            $reading.Status = "OK"
        }
        elseif ($reading.temperature -le 50) {
            $reading.Status = "CAUTION"
        }
        else {
            $reading.Status = "DANGER"
        }

Write-Host "Reading is $($reading.Status)"
    }

$status = [HttpStatusCode]::OK
    $body = $readings
}
else {
    $status = [HttpStatusCode]::BadRequest
    $body = "Please send an array of readings in the request body"
}

Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
    StatusCode = $status
    Body = $body
})

Royer, Alexis 20 Reputation points

2025-02-10T13:17:59.8466667+00:00

Thank you for your answers. I had no issue with that part of the exercice (where we add the status). The issue is when we try just to change the name variable through the body. You can see my answer above, I found the issue. Can't mark my own answer as the solution though. Thank you!

Accepted answer

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Your answer

Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-03T04:21:03.36+00:00

Hi Royer, Alexis,

Thank you for reaching out to Microsoft Q & A forum.

It looks like the issue may be due to a missing or incorrect function key or function URL. Please check the following:

1.Function Key: Make sure your function key is included in the x-functions-key header. You can find it in the Azure Portal under:

Function App > Your Function > Function Keys.

2.Function URL: Ensure you're using the correct function URL by navigating to:

Azure Portal > Function App > Your Function > Get Function URL.

Once you've verified these details, try running the following command with the correct values:

curl --header "Content-Type: application/json" \ --header "x-functions-key: YOUR_ACTUAL_FUNCTION_KEY" \ --request POST \ --data '{"name": "Azure Function"}' \ YOUR_ACTUAL_FUNCTION_URL

Additionally, you can check the Logs under Code + Test in the Azure Portal to see if the request is being received.

Please feel free to contact us if you have any additional questions.

If you have found the answer provided to be helpful, please click on the "Accept answer/Upvote" button so that it is useful for other members in the Microsoft Q&A community.
Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-04T04:03:28.4933333+00:00

Hi Royer, Alexis

I'm following up to see if you've had a chance to review my previous response. If it was helpful, please let me know by accepting the answer and upvoting it. Feel free to reach out if you encounter any issues.

Thank you.
Royer, Alexis 20 Reputation points

2025-02-04T14:49:19.94+00:00

Hi, thanks for your answers. it ignore the data passed. Even when i'm using the Test/Run instead of curl. it runs the function but ignore the name passed. it return "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response" like nothing was passed in the name var through the body.
Royer, Alexis 20 Reputation points

2025-02-04T14:51:46.4666667+00:00

Hi, thanks for your answer.

It does not work no matter if I'm using curl or the Test/Run.

It's ignoring the name var in the body.

it keep returning "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response."
Royer, Alexis 20 Reputation points

2025-02-07T17:29:34.5966667+00:00

Hi,
I'll show you using the Run/Test so this will avoid potential CLI issue with the quote or double quote.I'm not talking about the Readings yet, just the basic of passing name through the body instead of the query.

Here is the input :

Below is the output, as you can see it ignored the name passed through the body:

For reference here is the templated function :

using namespace System.Net # Input bindings are passed in via param block. param($Request, $TriggerMetadata) # Write to the Azure Functions log stream. Write-Host "PowerShell HTTP trigger function processed a request." # Interact with query parameters or the body of the request. $name = $Request.Query.Name if (-not $name) { $name = $Request.Body.Name } $body = "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response." if ($name) { $body = "Hello, $name. This HTTP triggered function executed successfully." } # Associate values to output bindings by calling 'Push-OutputBinding'. Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{ StatusCode = [HttpStatusCode]::OK Body = $body })
Royer, Alexis 20 Reputation points

2025-02-07T17:50:43.3833333+00:00
Royer, Alexis 20 Reputation points

2025-02-07T17:55:33.55+00:00

I found the issue. The issue is that the function is case sensitive. Name variable should either be replaced with a minus "n" in the function like below, or pushed using uppercase "N" in the data json.

That's why if we follow the tutorial line by line, it won't works because in the function the "'N" is uppercase but in the json body it's lowercase "n".

$name = $Request.Query.Name if (-not $name) { $name = $Request.Body.name }
Pradeep M 6,650 Reputation points Microsoft External Staff

2025-02-10T10:28:30.9733333+00:00

Hi Royer, Alexis,

using namespace System.Net # Input bindings are passed in via param block. param($Request, $TriggerMetadata) # Write to the Azure Functions log stream. Write-Host "PowerShell HTTP trigger function processed a request." # Interact with query parameters or the body of the request. $name = $Request.Query.Name if (-not $name) { $name = $Request.Body.Name } $body = "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response." if ($name) { $body = "Hello, $name. This HTTP triggered function executed successfully." } # Associate values to output bindings by calling 'Push-OutputBinding'. Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{ StatusCode = [HttpStatusCode]::OK Body = $body })

Replace the above code with the following code (as per the exercise)

using namespace System.Net param($Request, $TriggerMetadata) Write-Host "Drive Gear Temperature Service triggered" $readings = $Request.Body.Readings if ($readings) { foreach ($reading in $readings) { if ($reading.temperature -le 25) { $reading.Status = "OK" } elseif ($reading.temperature -le 50) { $reading.Status = "CAUTION" } else { $reading.Status = "DANGER" } Write-Host "Reading is $($reading.Status)" } $status = [HttpStatusCode]::OK $body = $readings } else { $status = [HttpStatusCode]::BadRequest $body = "Please send an array of readings in the request body" } Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{ StatusCode = $status Body = $body })
Royer, Alexis 20 Reputation points

2025-02-10T13:17:59.8466667+00:00

Thank you for your answers. I had no issue with that part of the exercice (where we add the status). The issue is when we try just to change the name variable through the body. You can see my answer above, I found the issue. Can't mark my own answer as the solution though. Thank you!

Answer 1

Hi Royer, Alexis,

I'm glad that you were able to resolve your issue and thank you for posting your solution so that others experiencing the same thing can easily reference this! Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others ", I'll repost your solution in case you'd like to accept the answer.

Ask: Passing data to function does not work using the provided command

Solution: I found the issue. The issue is that the function is case sensitive. Name variable should either be replaced with a minus "n" in the function like below, or pushed using uppercase "N" in the data json.

That's why if we follow the tutorial line by line, it won't works because in the function the "'N" is uppercase but in the json body it's lowercase "n".


$name = $Request.Query.Name
if (-not $name) {
    $name = $Request.Body.name
}

If you have any further questions, please feel free to ask,thank you again for your time and patience in resolving this issue.

If you found this information helpful, please consider accepting the answer and selecting "Yes" for "Was this answer helpful?" This can benefit other community members as well.

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Passing data to function does not work using the provided command

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