> For the complete documentation index, see [llms.txt](https://renownedgames.gitbook.io/ai-tree/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://renownedgames.gitbook.io/ai-tree/nodes/tasks/animator/set-bool.md).

# Set Bool

### Description

Sets the value of the given boolean parameter.

Use SetBool to pass Boolean values to an Animator Controller.

Use this to trigger transitions between Animator states. For example, triggering a death animation by setting an “alive” boolean to false.

**To create it**, right-click in the editor and select <mark style="color:purple;">Create Node/Tasks/Animator/Set Bool</mark>.

This task node has a number of fields, that are highlighted in picture below.

<figure><img src="/files/t3Qdy70fUlsQWri5QYZC" alt=""><figcaption></figcaption></figure>

### Fields

| Name              | Description                                 |
| ----------------- | ------------------------------------------- |
| Node Name         | Name of node                                |
| Ignore About Self | Whether node ignores abort self or not      |
| Parameter Name    | Parameter name/ID number                    |
| Value             | Parameter value (true/false/Blackboard key) |

{% hint style="info" %}
You can identify the parameter by name or by ID number, but the name or ID number must be the same as the parameter you want to change in the Animator.
{% endhint %}