# Update task input


```
PUT 
https://api.apify.com/v2/actor-tasks/:actorTaskId/input
```


Updates the input of a task using values specified by an object passed as JSON in the PUT payload.

If the object does not define a specific property, its value is not updated.

The response is the full task input as returned by the  endpoint.

The request needs to specify the `Content-Type: application/json` HTTP header!

When providing your API authentication token, we recommend using the request's `Authorization` header, rather than the URL. ().

## Request

### Path Parameters

* **actorTaskId** string required

  Task ID or a tilde-separated owner's username and task's name.

  **Example:** `janedoe~my-task`

### Body**required**

* **object** object

### Status 200

**Response Headers**




```
{
  "myField1": "some-value",
  "myField2": "updated-value",
  "myField3": 1
}
```


**Schema**

* **object** object

### Status 400

Bad request - invalid input parameters or request body.


```
{
  "error": {
    "type": "invalid-input",
    "message": "Invalid input: The request body contains invalid data."
  }
}
```


**Schema**

* **error** object required

  * **type** string required\
    **Example:** `run-failed`
  * **message** string required\
    **Example:** `Actor run did not succeed (run ID: 55uatRrZib4xbZs, status: FAILED)`