---
title: Update work item comment
description: Updates the text content of an existing comment on a work item timeline. The comment is identified by its cell ID.
breadcrumbs: ドキュメント > API > Update work item comment
---

> For the complete documentation index, see [llms.txt](https://dnd37xeb23o8n.cloudfront.net/stefon.simmons/docs-astro-web-10435/llms.txt).

# Update work item comment

## v2 (latest)

| Datadog site      | API endpoint                                                               |
| ----------------- | -------------------------------------------------------------------------- |
| app.datadoghq.com | PUT https://api.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id}     |
| us3.datadoghq.com | PUT https://api.us3.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id} |
| us5.datadoghq.com | PUT https://api.us5.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id} |
| app.datadoghq.eu  | PUT https://api.datadoghq.eu/api/v2/cases/{case_id}/comment/{cell_id}      |
| ap1.datadoghq.com | PUT https://api.ap1.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id} |
| ap2.datadoghq.com | PUT https://api.ap2.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id} |
| uk1.datadoghq.com | PUT https://api.uk1.datadoghq.com/api/v2/cases/{case_id}/comment/{cell_id} |
| app.ddog-gov.com  | PUT https://api.ddog-gov.com/api/v2/cases/{case_id}/comment/{cell_id}      |
| us2.ddog-gov.com  | PUT https://api.us2.ddog-gov.com/api/v2/cases/{case_id}/comment/{cell_id}  |

### Overview

Updates the text content of an existing comment on a work item timeline. The comment is identified by its cell ID.

OAuth apps require the `cases_write` authorization [scope](https://dnd37xeb23o8n.cloudfront.net/stefon.simmons/docs-astro-web-10435/ja/api/latest/scopes.md#case-management) to access this endpoint.

### Arguments

#### Path Parameters

| Field                | Type   | Description                                        |
| -------------------- | ------ | -------------------------------------------------- |
| case_id [*required*] | string | Work item's UUID or key                            |
| cell_id [*required*] | string | The UUID of the timeline cell (comment) to update. |

### Request

#### Body Data (required)

Work item update comment payload.

{% tabs %}
{% tab label="Model" %}
| Parent field | Field                   | Type   | Description                                                                          |
| ------------ | ----------------------- | ------ | ------------------------------------------------------------------------------------ |
|              | data [*required*]       | object | Data object for updating a work item comment.                                        |
| data         | attributes [*required*] | object | Attributes for updating a comment.                                                   |
| attributes   | comment [*required*]    | string | The updated comment message.                                                         |
| data         | type [*required*]       | enum   | JSON:API resource type for work items. Allowed enum values: `case`. Default: `case`. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "data": {
    "attributes": {
      "comment": "Updated comment text"
    },
    "type": "case"
  }
}
```
{% /tab %}
{% /tabs %}

### Response

{% tabs %}
{% tab label="200" %}
OK
{% /tab %}

{% tab label="400" %}
Bad Request

{% tabs %}
{% tab label="Model" %}
API error response.

| Field               | Type     | Description       |
| ------------------- | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "errors": [
    "Bad Request"
  ]
}
```
{% /tab %}
{% /tabs %}
{% /tab %}

{% tab label="401" %}
Unauthorized

{% tabs %}
{% tab label="Model" %}
API error response.

| Field               | Type     | Description       |
| ------------------- | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "errors": [
    "Bad Request"
  ]
}
```
{% /tab %}
{% /tabs %}
{% /tab %}

{% tab label="403" %}
Forbidden

{% tabs %}
{% tab label="Model" %}
API error response.

| Field               | Type     | Description       |
| ------------------- | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "errors": [
    "Bad Request"
  ]
}
```
{% /tab %}
{% /tabs %}
{% /tab %}

{% tab label="404" %}
Not Found

{% tabs %}
{% tab label="Model" %}
API error response.

| Field               | Type     | Description       |
| ------------------- | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "errors": [
    "Bad Request"
  ]
}
```
{% /tab %}
{% /tabs %}
{% /tab %}

{% tab label="429" %}
Too many requests

{% tabs %}
{% tab label="Model" %}
API error response.

| Field               | Type     | Description       |
| ------------------- | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |
{% /tab %}

{% tab label="Example" %}
```json
{
  "errors": [
    "Bad Request"
  ]
}
```
{% /tab %}
{% /tabs %}
{% /tab %}
{% /tabs %}

### Code Example

{% tabs %}
{% tab label="Curl" %}
```bash
# Path parameters
export case_id="f98a5a5b-e0ff-45d4-b2f5-afe6e74de504"
export cell_id="f98a5a5b-e0ff-45d4-b2f5-afe6e74de504"

# Set your Datadog site and credentials
export DD_SITE="datadoghq.com" # Or us3.datadoghq.com, us5.datadoghq.com, datadoghq.eu, ap1.datadoghq.com, ap2.datadoghq.com, uk1.datadoghq.com, ddog-gov.com, us2.ddog-gov.com
# Use a Personal Access Token or Service Access Token
export DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>"

curl -X PUT "https://api.${DD_SITE}/api/v2/cases/${case_id}/comment/${cell_id}" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer ${DD_BEARER_TOKEN}" \
-d @- << EOF
{
  "data": {
    "attributes": {
      "comment": "Updated comment text"
    },
    "type": "case"
  }
}
EOF
```
{% /tab %}

{% tab label="Go" %}
```go
// Update case comment returns "OK" response

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/DataDog/datadog-api-client-go/v2/api/datadog"
	"github.com/DataDog/datadog-api-client-go/v2/api/datadogV2"
)

func main() {
	body := datadogV2.CaseUpdateCommentRequest{
		Data: datadogV2.CaseUpdateComment{
			Attributes: datadogV2.CaseUpdateCommentAttributes{
				Comment: "Updated comment text",
			},
			Type: datadogV2.CASERESOURCETYPE_CASE,
		},
	}
	ctx := datadog.NewDefaultContext(context.Background())
	ctx = context.WithValue(ctx, datadog.ContextAccessToken, os.Getenv("DD_BEARER_TOKEN"))
	configuration := datadog.NewConfiguration()
	apiClient := datadog.NewAPIClient(configuration)
	api := datadogV2.NewCaseManagementApi(apiClient)
	r, err := api.UpdateCaseComment(ctx, "case_id", "cell_id", body)

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

#### Instructions

First [install the library and its dependencies](https://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=go) and then save the example to `main.go` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>" go run "main.go"
```
{% /tab %}

{% tab label="Java" %}
```java
// Update case comment returns "OK" response

import com.datadog.api.client.ApiClient;
import com.datadog.api.client.ApiException;
import com.datadog.api.client.v2.api.CaseManagementApi;
import com.datadog.api.client.v2.model.CaseResourceType;
import com.datadog.api.client.v2.model.CaseUpdateComment;
import com.datadog.api.client.v2.model.CaseUpdateCommentAttributes;
import com.datadog.api.client.v2.model.CaseUpdateCommentRequest;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = ApiClient.getDefaultApiClient();
    defaultClient.setAccessToken(System.getenv("DD_BEARER_TOKEN"));
    CaseManagementApi apiInstance = new CaseManagementApi(defaultClient);

    CaseUpdateCommentRequest body =
        new CaseUpdateCommentRequest()
            .data(
                new CaseUpdateComment()
                    .attributes(new CaseUpdateCommentAttributes().comment("Updated comment text"))
                    .type(CaseResourceType.CASE));

    try {
      apiInstance.updateCaseComment(
          "f98a5a5b-e0ff-45d4-b2f5-afe6e74de504", "f98a5a5b-e0ff-45d4-b2f5-afe6e74de504", body);
    } catch (ApiException e) {
      System.err.println("Exception when calling CaseManagementApi#updateCaseComment");
      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://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=java) and then save the example to `Example.java` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>" java "Example.java"
```
{% /tab %}

{% tab label="Python" %}
```python
"""
Update case comment returns "OK" response
"""

from os import environ
from datadog_api_client import ApiClient, Configuration
from datadog_api_client.v2.api.case_management_api import CaseManagementApi
from datadog_api_client.v2.model.case_resource_type import CaseResourceType
from datadog_api_client.v2.model.case_update_comment import CaseUpdateComment
from datadog_api_client.v2.model.case_update_comment_attributes import CaseUpdateCommentAttributes
from datadog_api_client.v2.model.case_update_comment_request import CaseUpdateCommentRequest

body = CaseUpdateCommentRequest(
    data=CaseUpdateComment(
        attributes=CaseUpdateCommentAttributes(
            comment="Updated comment text",
        ),
        type=CaseResourceType.CASE,
    ),
)

configuration = Configuration()
configuration.access_token = environ["DD_BEARER_TOKEN"]
with ApiClient(configuration) as api_client:
    api_instance = CaseManagementApi(api_client)
    api_instance.update_case_comment(case_id="case_id", cell_id="cell_id", body=body)
```

#### Instructions

First [install the library and its dependencies](https://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=python) and then save the example to `example.py` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>" python3 "example.py"
```
{% /tab %}

{% tab label="Ruby" %}
```ruby
# Update case comment returns "OK" response

require "datadog_api_client"
DatadogAPIClient.configure do |config|
  config.access_token = ENV["DD_BEARER_TOKEN"]
end
api_instance = DatadogAPIClient::V2::CaseManagementAPI.new

body = DatadogAPIClient::V2::CaseUpdateCommentRequest.new({
  data: DatadogAPIClient::V2::CaseUpdateComment.new({
    attributes: DatadogAPIClient::V2::CaseUpdateCommentAttributes.new({
      comment: "Updated comment text",
    }),
    type: DatadogAPIClient::V2::CaseResourceType::CASE,
  }),
})
p api_instance.update_case_comment("case_id", "cell_id", body)
```

#### Instructions

First [install the library and its dependencies](https://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=ruby) and then save the example to `example.rb` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>" rb "example.rb"
```
{% /tab %}

{% tab label="Rust" %}
```rust
// Update case comment returns "OK" response
use datadog_api_client::datadog;
use datadog_api_client::datadogV2::api_case_management::CaseManagementAPI;
use datadog_api_client::datadogV2::model::CaseResourceType;
use datadog_api_client::datadogV2::model::CaseUpdateComment;
use datadog_api_client::datadogV2::model::CaseUpdateCommentAttributes;
use datadog_api_client::datadogV2::model::CaseUpdateCommentRequest;

#[tokio::main]
async fn main() {
    let body = CaseUpdateCommentRequest::new(CaseUpdateComment::new(
        CaseUpdateCommentAttributes::new("Updated comment text".to_string()),
        CaseResourceType::CASE,
    ));
    let configuration = datadog::Configuration::new();
    let api = CaseManagementAPI::with_config(configuration);
    let resp = api
        .update_case_comment("case_id".to_string(), "cell_id".to_string(), body)
        .await;
    if let Ok(value) = resp {
        println!("{:#?}", value);
    } else {
        println!("{:#?}", resp.unwrap_err());
    }
}
```

#### Instructions

First [install the library and its dependencies](https://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=rust) and then save the example to `src/main.rs` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" cargo run
```
{% /tab %}

{% tab label="TypeScript" %}
```typescript
/**
 * Update case comment returns "OK" response
 */

import { client, v2 } from "@datadog/datadog-api-client";

const configuration = client.createConfiguration({
  authMethods: {
    AuthZ: {
      accessToken: process.env.DD_BEARER_TOKEN as string,
    },
  },
});
const apiInstance = new v2.CaseManagementApi(configuration);

const params: v2.CaseManagementApiUpdateCaseCommentRequest = {
  body: {
    data: {
      attributes: {
        comment: "Updated comment text",
      },
      type: "case",
    },
  },
  caseId: "case_id",
  cellId: "cell_id",
};

apiInstance
  .updateCaseComment(params)
  .then((data: any) => {
    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://dnd37xeb23o8n.cloudfront.net/api/latest.md?code-lang=typescript) and then save the example to `example.ts` and run following commands:

```bash
DD_SITE="datadoghq.com" DD_BEARER_TOKEN="<PERSONAL_ACCESS_TOKEN OR SERVICE_ACCESS_TOKEN>" tsc "example.ts"
```
{% /tab %}
{% /tabs %}
