# Tasks

Every labeling project is broken down into [assets](/core-concepts/assets.md), then individual tasks.

### Creating Tasks <a href="#creating-and-deleting-tasks" id="creating-and-deleting-tasks"></a>

Tasks are created automatically when assets are added.

Ango Hub creates one labeling task for each asset.

{% hint style="warning" %}
When an asset is deleted, the tasks assigned to the asset are deleted as well. Importing the asset again will not restore the tasks that have been deleted this way.
{% endhint %}

Tasks are shown in the *Tasks* tab.

<figure><img src="/files/8nG1pQ2EVSQGvAdHGaUj" alt=""><figcaption></figcaption></figure>

**Task ID**. Unique identifier associated with each task.

**External ID**. Non-unique identifier for each asset. If importing assets with [drag and drop](/data/importing-assets.md#browser-import), this ID will be equal to the filename of each asset. If uploading using [a JSON](/data/importing-assets.md#cloud-import) or [the SDK](/sdk/sdk-documentation.md), you will determine this ID on import.

**Stage**. Stage where the task is currently located and waiting.

**Assignee**. User currently assigned to annotate the task.

**Updated At**. Time and date when the task was last updated (e.g. submitted.)

**Duration**. Total duration of the task. See the [page on idle detection for more details](/core-concepts/idle-time-detection-and-time-tracking.md).

**Consensus**. As follows:

<figure><img src="/files/WA1WFhOKtaGEOMHUZSQw" alt=""><figcaption></figcaption></figure>

**Last review**. Result of the last review the task went through.

**Open Issues**. Number of open issues on the task.

Other column types are also available. To show/hide them, click on the *Columns* dropdown:

<figure><img src="/files/9LerlGJznuaNSizcB6Gd" alt="" width="306"><figcaption></figcaption></figure>

### Deleting Tasks <a href="#creating-and-deleting-tasks-manually" id="creating-and-deleting-tasks-manually"></a>

To delete a labeling task, select the task(s) you wish to delete with the checkboxes on the left, then click on *Actions* and click on *Delete*.

<figure><img src="/files/PWXm1K3D7KMVdXB4Uzfy" alt="" width="563"><figcaption></figcaption></figure>

{% hint style="warning" %}
Deleting tasks is a destructive and irreversible action.
{% endhint %}


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