# Case Token

## Parameters for Editing an Existing Comment on a Case

### `case_token`
- **Type**: uuid  
- **Required**: Yes  
- **Description**: Globally unique identifier for the case.

### `comment_token`
- **Type**: uuid  
- **Required**: Yes  
- **Description**: Globally unique identifier for the comment.

### `comment`
- **Type**: string  
- **Required**: Yes  
- **Description**: New text of the comment.

### `actor_token`
- **Type**: string  
- **Required**: No  
- **Description**: Optional client-provided identifier for the actor performing this action. This value is supplied by the client (for example, your own internal user ID) and is not authenticated by Lithic.

## 200 Case Activity Entry

### Object Structure
- **token**  
  - **Type**: uuid  
  - **Required**: Yes  
  - **Description**: Globally unique identifier for the activity entry.
- **entry_type**  
  - **Type**: string  
  - **Enum**: Yes  
  - **Required**: Yes  
  - **Description**: The case field that changed, or the action that was taken, in an activity entry:
    - `STATUS` - The case status changed
    - `TITLE` - The case title changed
    - `ASSIGNED_TO` - The case assignee changed
    - `RESOLUTION_OUTCOME` - The resolution outcome was set or changed
    - `RESOLUTION_NOTES` - The resolution notes were set or changed
    - `TAGS` - The case tags changed
    - `PRIORITY` - The case priority changed
    - `COMMENT` - A comment was added or edited
    - `FILE` - A file was attached to the case
- **actor_token**  
  - **Type**: string | null  
  - **Required**: Yes  
  - **Description**: Identifier of the actor that produced the activity entry.
- **previous_value**  
  - **Type**: string | null  
  - **Required**: Yes  
  - **Description**: Previous value of the changed field, when applicable.
- **new_value**  
  - **Type**: string | null  
  - **Required**: Yes  
  - **Description**: New value of the changed field, when applicable.
- **created**  
  - **Type**: date-time  
  - **Required**: Yes  
  - **Description**: Date and time at which the activity entry was created.

## Example Curl Request
```shell
curl --request PATCH \
     --url https://sandbox.lithic.com/v1/transaction_monitoring/cases/case_token/comments/comment_token \
     --header 'accept: application/json' \   
     --header 'content-type: application/json' \  
     --data '
{
  "comment": "string",
  "actor_token": "string"
}
'
```

## Example Response
```json
{
  "token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "entry_type": "STATUS",
  "actor_token": "string",
  "previous_value": "string",
  "new_value": "string",
  "created": "2026-07-18T00:25:55.136Z"
}
```