---
title: Update a custom variable
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > API Reference > Webhooks Integration
---

# Update a custom variable{% #update-a-custom-variable %}

{% tab title="v1" %}

| Datadog site      | API endpoint                                                                                                        |
| ----------------- | ------------------------------------------------------------------------------------------------------------------- |
| ap1.datadoghq.com | PUT https://api.ap1.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name} |
| ap2.datadoghq.com | PUT https://api.ap2.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name} |
| app.datadoghq.eu  | PUT https://api.datadoghq.eu/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name}      |
| app.ddog-gov.com  | PUT https://api.ddog-gov.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name}      |
| us2.ddog-gov.com  | PUT https://api.us2.ddog-gov.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name}  |
| app.datadoghq.com | PUT https://api.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name}     |
| us3.datadoghq.com | PUT https://api.us3.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name} |
| us5.datadoghq.com | PUT https://api.us5.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/{custom_variable_name} |

### Overview

Updates the endpoint with the name `<CUSTOM_VARIABLE_NAME>`. This endpoint requires the `manage_integrations` permission.

### Arguments

#### Path Parameters

| Name                                   | Type   | Description                      |
| -------------------------------------- | ------ | -------------------------------- |
| custom_variable_name [*required*] | string | The name of the custom variable. |

### Request

#### Body Data (required)

Update an existing custom variable request body.

{% tab title="Model" %}

| Field     | Type    | Description                                                                                                                                   |
| --------- | ------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| is_secret | boolean | Make custom variable is secret or not. If the custom variable is secret, the value is not returned in the response payload.                   |
| name      | string  | The name of the variable. It corresponds with `<CUSTOM_VARIABLE_NAME>`. It must only contains upper-case characters, integers or underscores. |
| value     | string  | Value of the custom variable.                                                                                                                 |

{% /tab %}

{% tab title="Example" %}

```json
{
  "value": "variable-updated"
}
```

{% /tab %}

### Response

{% tab title="200" %}
OK
{% tab title="Model" %}
Custom variable for Webhook integration.

| Field                       | Type    | Description                                                                                                                                   |
| --------------------------- | ------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| is_secret [*required*] | boolean | Make custom variable is secret or not. If the custom variable is secret, the value is not returned in the response payload.                   |
| name [*required*]      | string  | The name of the variable. It corresponds with `<CUSTOM_VARIABLE_NAME>`. It must only contains upper-case characters, integers or underscores. |
| value                       | string  | Value of the custom variable. It won't be returned if the variable is secret.                                                                 |

{% /tab %}

{% tab title="Example" %}

```json
{
  "is_secret": true,
  "name": "CUSTOM_VARIABLE_NAME",
  "value": "CUSTOM_VARIABLE_VALUE"
}
```

{% /tab %}

{% /tab %}

{% tab title="400" %}
Bad Request
{% tab title="Model" %}
Error response object.

| Field                    | Type     | Description                          |
| ------------------------ | -------- | ------------------------------------ |
| errors [*required*] | [string] | Array of errors returned by the API. |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    "Bad Request"
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="403" %}
Authentication error
{% tab title="Model" %}
Error response object.

| Field                    | Type     | Description                          |
| ------------------------ | -------- | ------------------------------------ |
| errors [*required*] | [string] | Array of errors returned by the API. |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    "Bad Request"
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="404" %}
Item Not Found
{% tab title="Model" %}
Error response object.

| Field                    | Type     | Description                          |
| ------------------------ | -------- | ------------------------------------ |
| errors [*required*] | [string] | Array of errors returned by the API. |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    "Bad Request"
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="429" %}
Too many requests
{% tab title="Model" %}
Error response object.

| Field                    | Type     | Description                          |
| ------------------------ | -------- | ------------------------------------ |
| errors [*required*] | [string] | Array of errors returned by the API. |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    "Bad Request"
  ]
}
```

{% /tab %}

{% /tab %}

### Code Example

##### 
                          \## default
# 
 \# Path parameters export custom_variable_name="CHANGE_ME" \# Curl command curl -X PUT "https://api.datadoghq.com/api/v1/integration/webhooks/configuration/custom-variables/${custom_variable_name}" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "DD-API-KEY: ${DD_API_KEY}" \
-H "DD-APPLICATION-KEY: ${DD_APP_KEY}" \
-d @- << EOF
{
  "is_secret": true,
  "name": "CUSTOM_VARIABLE_NAME",
  "value": "CUSTOM_VARIABLE_VALUE"
}
EOF 
                        
##### 

```go
// Update a custom variable returns "OK" response

package main

import (
	"context"
	"encoding/json"
	"fmt"
	"os"

	"github.com/DataDog/datadog-api-client-go/v2/api/datadog"
	"github.com/DataDog/datadog-api-client-go/v2/api/datadogV1"
)

func main() {
	// there is a valid "webhook_custom_variable" in the system
	WebhookCustomVariableName := os.Getenv("WEBHOOK_CUSTOM_VARIABLE_NAME")

	body := datadogV1.WebhooksIntegrationCustomVariableUpdateRequest{
		Value: datadog.PtrString("variable-updated"),
	}
	ctx := datadog.NewDefaultContext(context.Background())
	configuration := datadog.NewConfiguration()
	apiClient := datadog.NewAPIClient(configuration)
	api := datadogV1.NewWebhooksIntegrationApi(apiClient)
	resp, r, err := api.UpdateWebhooksIntegrationCustomVariable(ctx, WebhookCustomVariableName, body)

	if err != nil {
		fmt.Fprintf(os.Stderr, "Error when calling `WebhooksIntegrationApi.UpdateWebhooksIntegrationCustomVariable`: %v\n", err)
		fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r)
	}

	responseContent, _ := json.MarshalIndent(resp, "", "  ")
	fmt.Fprintf(os.Stdout, "Response from `WebhooksIntegrationApi.UpdateWebhooksIntegrationCustomVariable`:\n%s\n", responseContent)
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=go) and then save the example to `main.go` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" go run "main.go"
##### 

```java
// Update a custom variable returns "OK" response

import com.datadog.api.client.ApiClient;
import com.datadog.api.client.ApiException;
import com.datadog.api.client.v1.api.WebhooksIntegrationApi;
import com.datadog.api.client.v1.model.WebhooksIntegrationCustomVariableResponse;
import com.datadog.api.client.v1.model.WebhooksIntegrationCustomVariableUpdateRequest;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = ApiClient.getDefaultApiClient();
    WebhooksIntegrationApi apiInstance = new WebhooksIntegrationApi(defaultClient);

    // there is a valid "webhook_custom_variable" in the system
    String WEBHOOK_CUSTOM_VARIABLE_NAME = System.getenv("WEBHOOK_CUSTOM_VARIABLE_NAME");

    WebhooksIntegrationCustomVariableUpdateRequest body =
        new WebhooksIntegrationCustomVariableUpdateRequest().value("variable-updated");

    try {
      WebhooksIntegrationCustomVariableResponse result =
          apiInstance.updateWebhooksIntegrationCustomVariable(WEBHOOK_CUSTOM_VARIABLE_NAME, body);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println(
          "Exception when calling WebhooksIntegrationApi#updateWebhooksIntegrationCustomVariable");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=java) and then save the example to `Example.java` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" java "Example.java"
##### 

```python
"""
Update a custom variable returns "OK" response
"""

from os import environ
from datadog_api_client import ApiClient, Configuration
from datadog_api_client.v1.api.webhooks_integration_api import WebhooksIntegrationApi
from datadog_api_client.v1.model.webhooks_integration_custom_variable_update_request import (
    WebhooksIntegrationCustomVariableUpdateRequest,
)

# there is a valid "webhook_custom_variable" in the system
WEBHOOK_CUSTOM_VARIABLE_NAME = environ["WEBHOOK_CUSTOM_VARIABLE_NAME"]

body = WebhooksIntegrationCustomVariableUpdateRequest(
    value="variable-updated",
)

configuration = Configuration()
with ApiClient(configuration) as api_client:
    api_instance = WebhooksIntegrationApi(api_client)
    response = api_instance.update_webhooks_integration_custom_variable(
        custom_variable_name=WEBHOOK_CUSTOM_VARIABLE_NAME, body=body
    )

    print(response)
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=python) and then save the example to `example.py` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" python3 "example.py"
##### 

```ruby
# Update a custom variable returns "OK" response

require "datadog_api_client"
api_instance = DatadogAPIClient::V1::WebhooksIntegrationAPI.new

# there is a valid "webhook_custom_variable" in the system
WEBHOOK_CUSTOM_VARIABLE_NAME = ENV["WEBHOOK_CUSTOM_VARIABLE_NAME"]

body = DatadogAPIClient::V1::WebhooksIntegrationCustomVariableUpdateRequest.new({
  value: "variable-updated",
})
p api_instance.update_webhooks_integration_custom_variable(WEBHOOK_CUSTOM_VARIABLE_NAME, body)
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=ruby) and then save the example to `example.rb` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" rb "example.rb"
##### 

```rust
// Update a custom variable returns "OK" response
use datadog_api_client::datadog;
use datadog_api_client::datadogV1::api_webhooks_integration::WebhooksIntegrationAPI;
use datadog_api_client::datadogV1::model::WebhooksIntegrationCustomVariableUpdateRequest;

#[tokio::main]
async fn main() {
    // there is a valid "webhook_custom_variable" in the system
    let webhook_custom_variable_name = std::env::var("WEBHOOK_CUSTOM_VARIABLE_NAME").unwrap();
    let body =
        WebhooksIntegrationCustomVariableUpdateRequest::new().value("variable-updated".to_string());
    let configuration = datadog::Configuration::new();
    let api = WebhooksIntegrationAPI::with_config(configuration);
    let resp = api
        .update_webhooks_integration_custom_variable(webhook_custom_variable_name.clone(), body)
        .await;
    if let Ok(value) = resp {
        println!("{:#?}", value);
    } else {
        println!("{:#?}", resp.unwrap_err());
    }
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=rust) and then save the example to `src/main.rs` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" cargo run
##### 

```typescript
/**
 * Update a custom variable returns "OK" response
 */

import { client, v1 } from "@datadog/datadog-api-client";

const configuration = client.createConfiguration();
const apiInstance = new v1.WebhooksIntegrationApi(configuration);

// there is a valid "webhook_custom_variable" in the system
const WEBHOOK_CUSTOM_VARIABLE_NAME = process.env
  .WEBHOOK_CUSTOM_VARIABLE_NAME as string;

const params: v1.WebhooksIntegrationApiUpdateWebhooksIntegrationCustomVariableRequest =
  {
    body: {
      value: "variable-updated",
    },
    customVariableName: WEBHOOK_CUSTOM_VARIABLE_NAME,
  };

apiInstance
  .updateWebhooksIntegrationCustomVariable(params)
  .then((data: v1.WebhooksIntegrationCustomVariableResponse) => {
    console.log(
      "API called successfully. Returned data: " + JSON.stringify(data)
    );
  })
  .catch((error: any) => console.error(error));
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=typescript) and then save the example to `example.ts` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<API-KEY>" DD_APP_KEY="<APP-KEY>" tsc "example.ts"
{% /tab %}